Assume A is the set of positive integers less than 10 and B is the set of positive integers less than or equal to 20, and R is a relation from A to B defined as follows: R = {(a, b) | a ∈ A, b ∈ B, a is divisible by 4 ∧ b = 2a}. Which of the following ordered pairs belongs to that relation? Question 24 options: (6, 12) (16, 32) (12, 6) (8, 16) Question 25 (4 points) Given the relation R = {(n, m) | n, m ∈ ℤ, n ≥ m}. Which of the following statements about R is correct? Question 25 options: R is not a partial order because it is not antisymmetric R is not a partial order because it is not reflexive R is a partial order R is not a partial order because it is not transitive

Answers

Answer 1

The set of elements of the given relation

R = {(a, b) | a ∈ A, b ∈ B, a is divisible by 4 and b = 2a} is

R = { (4 , 8) , (8 , 16)}

Given, A is the set of positive integers less than 10

and B is the set of positive integers less than or equal to 20,

and R is a relation from A to B defined as follows:

R = {(a, b) | a ∈ A, b ∈ B, a is divisible by 4 and b = 2a}.

we have to find the ordered pairs which belong to the given relation,

As, 'a' should be divisible by 4 and we should also get 'b' by multiplying 'a' by 2.

So, the set of elements of the relation R is,

R = { (4 , 8) , (8 , 16)}

Hence, the set of elements of the given relation

R = {(a, b) | a ∈ A, b ∈ B, a is divisible by 4 and b = 2a} is

R = { (4 , 8) , (8 , 16)}

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Related Questions

PLEASE HELP! ILL GIVE YOU BRAINLIEST!

PLEASE HELP! ILL GIVE YOU BRAINLIEST!

Answers

Answer:

A.

Step-by-step explanation:

It is the final step when doing math like that.

The confidence associated with an interval estimate is called the:.

Answers

The confidence associated with an interval estimate is called the confidence level.

When making an interval estimate, such as estimating a population parameter based on a sample, it is important to provide an indication of the level of confidence we have in the estimate. The confidence level represents the probability or level of certainty that the true population parameter falls within the calculated interval.

For example, if we calculate a 95% confidence interval for the mean height of a population, it means that we are 95% confident that the true population mean height lies within that interval. This implies that if we were to repeat the sampling and interval estimation process multiple times, approximately 95% of the intervals would contain the true population parameter.

The confidence level is typically expressed as a percentage, such as 90%, 95%, or 99%. A higher confidence level indicates a greater level of certainty in the interval estimate but also results in a wider interval.

In summary, the confidence level associated with an interval estimate represents the level of confidence or probability that the interval contains the true population parameter.

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A one-year Treasury bill yields 4.5% and the expected inflation
rate is 3%. Calculate, approximately, the expected real rate of
interest.

Answers

The approximate expected real rate of interest is find by subtracting the approximate expected inflation rate from the yield of the Treasury bill. In this case, the approximate expected real rate of interest is around 1.5%.

To calculate the approximate expected real rate of interest, we can use a simplified formula that involves subtracting the approximate expected inflation rate from the nominal interest rate. In this scenario, the nominal interest rate is 4.5%, and the expected inflation rate is 3%.

Using the simplified formula, we subtract the approximate expected inflation rate of 3% from the nominal interest rate of 4.5% to get an approximate expected real rate of interest of 1.5%.

It's important to note that this calculation provides an approximation of the expected real rate of interest and may not account for all factors and variations in inflation. For a more precise calculation, additional considerations and data would be required.

Therefore, the approximate expected real rate of interest in this case is around 1.5%. This suggests that after adjusting for an expected inflation rate of 3%, the investor can anticipate an approximate real return of 1.5% on their investment in the one-year Treasury bill.

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Determine the intercepts of the line.
Y-intercept: ( __ , __ )
X-intercept: ( __ , __ )

Determine the intercepts of the line.Y-intercept: ( __ , __ )X-intercept: ( __ , __ )

Answers

Answer:

x-intercept : (-1.2,0) 

y-intercept : (0,-0.7)

Step-by-step explanation:

Hello!

An x-intercept is when the y-value is 0, and a y-intercept is when the x value is 0.

Another way to think about it, x-intercepts intersect with the x-axis, while the y-intercept intersects with the y-axis.

A coordinate, a point on a graph, is written as (x,y) or x-position and y-position.

x-intercept : (-1.2,0)  

y-intercept : (0,-0.7)

∠A and \angle B∠B are vertical angles. If m\angle A=(2x-10)^{\circ}∠A=(2x−10) ∘ and m\angle B=(x+8)^{\circ}∠B=(x+8) ∘ , then find the measure of \angle A∠A.

Answers

Answer:

m∠B=52

Step-by-step explanation:

Two or more angles are said to be complementary if they sum up to 90 degrees.

Given that angles A and B are complementary, then:

\begin{gathered}\angle A+\angle B=90^\circ\\m\angle A=(2x+18)^{\circ}\\m\angle B=(6x-8)^{\circ}\\$Therefore:\\(2x+18)^{\circ}+(6x-8)^{\circ}=90^\circ\\2x+6x+18-8=90^\circ\\8x+10^\circ=90^\circ\\8x=90^\circ-10^\circ\\8x=80^\circ\\$Divide both sides by 8\\x=10^\circ\\$Therefore:\\m\angle B=(6x-8)^{\circ}\\m\angle B=(6(10)-8)^{\circ}\\=60-8\\m\angle B=52^{\circ}\end{gathered}

Can someone please help me on this!!

Can someone please help me on this!!

Answers

The answer is Definitely g

An invoice dated september 9 in the amount of $50,000 is received by ralph corp. on september 12. the invoice carries terms of 3/10, n/30. on september 16, ralph mails a check for $3,000 as partial payment on the invoice. what is the outstanding balance on the invoice?

Answers

The outstanding balance on the invoice is $47,000. Ralph Corp. received an invoice dated September 9 for $50,000 with terms of 3/10, n/30.

On September 16, Ralph mailed a partial payment of $3,000, leaving a remaining balance of $47,000.

The terms of 3/10, n/30 mean that the buyer (Ralph Corp.) is entitled to a discount of 3% if the payment is made within 10 days of the invoice date, and the full payment is due within 30 days without any discount.

Since Ralph Corp. made a partial payment of $3,000 on September 16, which is within the 10-day discount period, this amount qualifies for the discount. The discount can be calculated as 3% of $50,000, which equals $1,500. Therefore, the effective payment made by Ralph Corp. is $3,000 - $1,500 = $1,500.

To determine the outstanding balance, we subtract the effective payment from the original invoice amount: $50,000 - $1,500 = $47,000. Thus, the outstanding balance on the invoice is $47,000, indicating the remaining amount that Ralph Corp. needs to pay within the designated 30-day period.

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Express 8+11+14+17+20 using sigma notation?​

Answers

Answer:

70

Step-by-step explanation:

Which statements about liquid volume are true

Answers

The statements that are cοrrect based οn unit cοnversiοn is -

A - One milliliter is 100 times smaller than οne liter.

C - Milliliters are smaller units than liters.

D - One liter is 1,000 times larger than οne milliliter.

What is unit cοnversiοn?

Unit cοnversiοn is a prοcess with multiple steps that invοlves multiplicatiοn οr divisiοn by a numerical factοr οr, particularly a cοnversiοn factοr. The prοcess may alsο require selectiοn οf the cοrrect number οf significant digits, and rοunding.

On the basis οf unit cοnversiοn methοds -

These three statements are true -

One milliliter is 100 times smaller than οne liter.

Milliliters are smaller units than liters.

One liter is 1,000 times larger than οne milliliter.

The οther statements are incοrrect -

Liters are nοt smaller units than milliliters.

One milliliter cannοt be 100 times larger than οne liter, as it is a smaller unit οf vοlume.

One liter cannοt be 1,000 times smaller than οne milliliter, as it is a larger unit οf vοlume.

Therefοre, the statements A, C and D are cοrrect.

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Which statements about liquid volume are true?

Select each correct answer.

One milliliter is 100 times smaller than one liter.

Liters are smaller units than milliliters.

Milliliters are smaller units than liters.

One liter is 1,000 times larger than one milliliter.

One milliliter is 100 times larger than one liter.

One liter is 1,000 times smaller than one milliliter.

In the tournament described in Exercise 11 of Section 2.4, a top player is defined to be one who either beats every other player or beats someone who beats the other player. Use the WOP to show that in every such tournament with n players n∈ N, there is at least one top player.

Answers

Using the Well-Ordering Principle (WOP), it can be proven that in every tournament with n players (where n is a natural number), there is at least one top player, defined as someone who either beats every other player or beats someone who beats the other player.

We will prove this statement by contradiction. Assume that there exists a tournament with n players where there is no top player. This means that for each player, there exists either another player who beats them or a chain of players such that each player beats the next one. Now, consider the set S of all players in this tournament. Since S is a non-empty set of natural numbers, it has a least element, let's say k.

Now, player k either beats every other player in the tournament, making them a top player, or there exists a player, let's say player m, who beats player k. In the latter case, we have a chain of players: k, m, p_1, p_2, ..., p_t, where p_1 beats p_2, p_2 beats p_3, and so on until p_t.

However, this contradicts the assumption that there is no top player, as either player k beats every other player (if m does not exist), or player m beats someone who beats the other player (if m exists). Hence, by contradiction, we have shown that in every tournament with n players, there is at least one top player.

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3. Consider a polar curve r =-2 sin θ (a) Sketch the curve with the given polar equation by first sketching the graph of r as a function of θ in Cartesian coordinates. (b) Sketch the graph of the same polar curve but by converting it in to the Carte- sian form. (c) Are the graphs from Part(a) and Part(b) are same or different? Why?

Answers

The polar curve r = -2 sin θ can be graphed by first plotting the graph of r as a function of θ in Cartesian coordinates. To do this, we can set r = y and θ = x, and then plot the resulting equation y = -2 sin x.

This graph will have the shape of a sinusoidal wave with peaks at y = 2 and troughs at y = -2.
To sketch the same polar curve in Cartesian form, we can use the conversion equations x = r cos θ and y = r sin θ. Substituting in the given polar equation, we get x = -2 sin θ cos θ and y = -2 sin² θ. Simplifying these equations, we get x = -sin 2θ and y = -2/3 (1-cos² θ). This graph will have the shape of a four-petal rose.
The graphs from Part (a) and Part (b) are different because they represent different equations. Part (a) is the graph of y = -2 sin x, which is a sinusoidal wave. Part (b) is the graph of a four-petal rose. However, both graphs share some similarities in terms of their shape and symmetry. They are both symmetrical about the origin and have a repeating pattern.
In conclusion, we can sketch a polar curve by first graphing r as a function of θ in Cartesian coordinates and then converting it to Cartesian form. The resulting graphs may look different, but they often share similar patterns and symmetries.

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Find the absolute maximum and minimum, if either exists, for the function on the indicated interval. f(x) = (x - 3)(x - 15)^3 + 12 (A) (0, 10) (B) [4, 16) (C) [10, 17)

Answers

The absolute maximum and minimum of the function \(f(x) = (x - 3)(x - 15)^3 + 12\) on the given intervals: (A) (0, 10): max = 11337, min = -1155, (B) [4, 16): max = 33792, min = -20099, and (C) [10, 17): max = 12, min = -11037.

To find the absolute maximum and minimum of the function \(f(x) = (x - 3)(x - 15)^3 + 12\) on the given intervals:(A) On the interval (0, 10):We first need to find the critical points of the function by taking the derivative and setting it equal to zero. After simplification, we get:\(f'(x) = 4(x - 15)^2(x - 5)\)Setting f'(x) = 0, we get the critical points at x = 5 and x = 15.Now, we need to evaluate the function at the critical points and at the endpoints of the interval:f(0) = -1155, f(5) = 12, f(10) = 11337, f(15) = 12Therefore, the absolute maximum is 11337 and the absolute minimum is -1155 on the interval (0, 10).(B) On the interval [4, 16):Similarly, we find the critical points by taking the derivative and setting it equal to zero. After simplification, we get:\(f'(x) = 4(x - 15)^2(x - 5)\)Setting f'(x) = 0, we get the critical points at x = 5 and x = 15.Now, we need to evaluate the function at the critical points and at the endpoints of the interval:f(4) = -20099, f(5) = 12, f(16) = 33792Therefore, the absolute maximum is 33792 and the absolute minimum is -20099 on the interval [4, 16).(C) On the interval [10, 17):We repeat the same process as above:\(f'(x) = 4(x - 15)^2(x - 5)\)Setting f'(x) = 0, we get the critical points at x = 5 and x = 15.Now, we need to evaluate the function at the critical points and at the endpoints of the interval:f(10) = -11037, f(15) = 12, f(17) = 9684Therefore, the absolute maximum is 12 and the absolute minimum is -11037 on the interval [10, 17).In summary, we have found the absolute maximum and minimum of the function \(f(x) = (x - 3)(x - 15)^3 + 12\)on the given intervals: (A) (0, 10): max = 11337, min = -1155, (B) [4, 16): max = 33792, min = -20099, and (C) [10, 17): max = 12, min = -11037.

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Find the equation of the line whose graph passes through (−2,−3) and has slope 5 .

Answers

Answer:

  y +3 = 5(x +2)

Step-by-step explanation:

You want the equation of a line with slope 5 through the point (-2, -3).

Point-slope form

The point-slope form of the equation for a line is ...

  y -k = m(x -h) . . . . . . line with slope m through point (h, k)

Application

  y +3 = 5(x +2) . . . . . . line with slope 5 through point (-2, -3)

__

Additional comment

This can also be written as ...

  y = 5x +7 . . . . . . . . . subtract 3 and simplify

<95141404393>

HELP! IS THIS RIGHT?

HELP! IS THIS RIGHT?

Answers

Answer:

Yes a 1:3 ratio

Step-by-step explanation:

Yes triangle A is 3 times bigger than triangle B. So it takes 3 B triangles to make one A triangle.

Consider the equation: 5(3x - 9) = 2(6x + 9).
Part A
How many solutions will the equation have? Explain how you know.

Answers

Answer:

Photo math

Step-by-step explanation:

Get Photo math on your mobile device, it will give you the answer and explain it for free!

5 because this is a correct answer that I’m telling you

does someone know the answer ​

does someone know the answer

Answers

Answer:

even. all circles are in paris

Step-by-step explanation:

all circles are in pairs which means its even. also you can memorize 8 as a even number

the bayley scales of infant development yield scores on two indices-the psychomotor development index (pdi) and the mental development index (mdi)- which can be used to assess a child's level of functioning in each of these areas at approximately one year of age. among normal healthy infants, both indices have a mean value of 100. as part of a study assessing the development and neurologic status of children who have undergone reparative heart surgery during the first three months of life, the bayley scales were administered to a sample of one-year-old infants born with congenital heart disease

Answers

As the test's p-value above the 0.05 level of significance, we cannot reject the hypothesis.

X=97.77 is the mean on the PDI.

a )

The population standard deviation of the PDI:S = 14-69

The PDI sample size is n=70.

The test statistic value is

=X -μ/б-√n

97.77 - 100/14.69√70

Z = - 1.27

The test's p-value is 1.

Value of p = 2p (z - 1.27).

=2 ( = NORMSDIST (-1.27) )

= - 2 (0.1020 )

p-value = 0.2041

Since , the p -value of the test is greater the the 0.05 level of significance, so we fail to reject hypothesis

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What does 6.39 divided into 3 equal parts. HELP ME PLEASE!!

What does 6.39 divided into 3 equal parts. HELP ME PLEASE!!

Answers

Answer:

its 2.13 so its C

Step-by-step explanation:

6.39 ÷ 3 = 2.13

its 13 ones and a or b don't have 13 ones so its C

PLZ HELP!!!!!! What is the equation of the line graphed below?

 PLZ HELP!!!!!! What is the equation of the line graphed below?

Answers

Answer:

Your answer is B

Step-by-step explanation:

First we have to find the Y intercept, which is -2.

Then you have to find the slope. Rise/Run

If you count up 5 and left 2 you get your next point. Meaning that 5/-2 is your slope.

look at the picture.​

look at the picture.

Answers

The box plot in option B correctly summarizes the data

How to determine the box plot that summarizes the data correctly?

In order to find the box plot that summarizes the data, we need to know the range and the median of the data:

The data ranges from 1 to 14 (the lowest is 1 and the highest is 14)

The median data value is the value in the middle when the data are arranged according to their size(it's already arranged). Since we have 10 data points the middle values are 9 and 9. Therefore:

Median  = 9+9/2 = 9

Since the range of our data is 1 to 14 and the median is 9. Therefore, the box plot in option B correctly summarizes the data

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Answer:

It's B

Step-by-step explanation:

I do it already

​a 57-inch pipe is cut into two pieces. One piece is two times the length of the other. Find the length of the shorter piece

Answers

It is divided into two sections, a 57-inch piece. The length of one component is double that of the other. The length of the shortest piece wound be 29.

Given that,

It is divided into two sections, a 57-inch pipe. The length of one component is double that of the other.

We have to calculate the shorter piece's length.

Let us take the length of shortest piece as x

The length of longest piece wound be 2x

We can write as,

x+2x=57

3x=57

x=57/3

x=29

The length of largest piece will be 2×29=58

Therefore, The length of the shortest piece wound be 29.

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Simplify the expression 4.2 - 5 -6.5w

Simplify the expression 4.2 - 5 -6.5w

Answers

Answer:

−6.5w−0.8

Step-by-step explanation:

4.2+−5+−6.5w

Combine Like Terms:

=4.2+−5+−6.5w

=(−6.5w)+(4.2+−5)

=−6.5w+−0.8

Brainless please

what is the straight line distance (meters) from sheehan lake (point a) to the small lake (point b)?

Answers

The straight line distance (meters) from sheehan lake (point a) to the small lake (point b) is 1700 m .

The sheehan lake (point A) is at 2000 m .

The small lake ( point B) is at 3700 m .

Distance between the two lake can be calculated by finding the difference between lakes .

To find the distance between sheehan lake and small lake = point B - point A .

Distance =  3700 - 2000

Distance = 1700 m .

The distance (meters) from sheehan lake (point a) to the small lake (point b) is 1700 m .

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The question is incomplete the complete question is :

what is the straight line distance (meters) from sheehan lake (point a) to the small lake (point b)?

DUE ON FRIDAY HELP!!!! WELL WRITTEN ANSWERS ONLY!!!
Point A is at 0 radians with coordinates (1, 0) on the unit circle. Point B is the result of point A rotating 7π/6 radians counterclockwise around the unit circle. Name two other positive angles of rotation that take A to B. Explain your reasoning.

DUE ON FRIDAY HELP!!!! WELL WRITTEN ANSWERS ONLY!!!Point A is at 0 radians with coordinates (1, 0) on

Answers

Answer:

this is very easy

You must understand if you have a point on a circle's border, and then you go around the circle 360 degrees, you will end up the same place

So the two other angles are simply:

7pi/6 + 2pi

and 7pi/6 + 2pi + 2pi

which is...

1. 19pi/6

2. and 31pi/6

Based on her recipe Elana knows that 5 servings of granola have 1,750 calories. If she wants to eat 175 calories of granola how many servings should she eat

Answers

Answer:

she should eat half a serving.

Step-by-step explanation:

This is because one serving is 350 calories. We know this since 1,750 divided by 5 is 350. Half of 350 is 175. So half of one serving is 175 calories.

best answer gets brainliest

best answer gets brainliest

Answers

Answer:

It's option 'A'

f= 17

Please mark as brainliest

Answer:

A) f=17

Step-by-step explanation:

best answer gets brainliest

Solve for x:
9x – 7 = 5x + 21

Answers

Answer:

x=7

Step-by-step explanation:

add 7 to both sides

9x=5x+28

subtract 5x from both sides

4x=28

divide both sides by 4

x=7

Answer:

X=7

Step-by-step explanation:

So first you want x on one side so you so subtract 5x from both sides

Then your equation is 4x-7=21

Because you want x by itself, you add 7 to each side because of additive inverse

The equation is now 4x=28

The last step is to divide 4 from each side and that leaves us with 7

x=7

Derek has $20 to spend on used books. Hardcover books cost $5 each and paperbacks cost $2 each. What equation in standard form determines the numbers of hardcover books x and paperback books y he can buy?.

Answers

Answer:

x = 2

y = 5

Step-by-step explanation:

when you think of how many times 5 can go into 10 it is 2

then think of how many times 2 can go into 10 which is 5

then you add the two and it equals 20$

how many outputs are there for each input in a function?

Answers

one output
A function is a relation between sets where for each input, there is exactly one output.

For each set of data, describe the shape of the

distribution and determine which measures of

center and spread best represent the data.


15. 28, 13, 23, 34, 55, 38, 44, 65, 49, 33, 50, 59,

67, 45

Answers

The shape of the distribution  in histogram is skewed left and mean=43.071429 and standard deviation= 15.886445 are used together to measure the center and spread of the data.

What is histogram?

A grouped frequency distribution with continuous classes is graphically represented by a histogram. It is an area diagram, and its size is proportional to the frequencies in the associated classes. Due to the base's coverage of the spaces between class boundaries, all of the rectangles in such representations are contiguous.

We can make a sideways histogram. (makes it easier if typing text, but if you are writing on paper then you don't have to make it sideways) Each row will represent a range of 10 (1st row is 10 to 19, 2nd row is 20 to 29, etc)

=> 13 23 28 33 34 38 44 45 49 50 55 59 65 67

The data looks like it is slightly skewed left (hump towards the right [down]). The mean and the standard deviation are used together to measure the center and spread of the data.

Mean = \(\frac{ 13+23+28+33+34+38+44+45+49+50+55+59+65+67}{14}=\frac{603}{14}\) = 43.071429

Standard deviation = 15.886445

Hence the shape of the distribution  in histogram is skewed left and mean=43.071429 and standard deviation= 15.886445 are used together to measure the center and spread of the data.

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Other Questions
A fish fly density is 2 million insects per acre and is decreasing by one-half (50%) every week. Estimate their density after 3.3 weeks. M The estimated fish fly density after 3.3 weeks is approximately million per acre. (Round to nearest hundredth as needed.) factor markets determine payments for labor as well as land, capital and ___________________. what is phytochrome? what forms can it have? what wavelengths of light do they preferentially absorb? which form is physiologically active During the paleozoic era, cratons were covered with large bodies of water called epeiric seas.A. TrueB. False Explain why the following statements are equivalent: x + (y + 9) = (x + y) + 9 there are many natural processes that shape the earth's surface. these processes can act as constructive forces, destructive forces, or both. in general, natural processes act as destructive forces which of the following functions can the para plasmid carry out when present in bacterial cells? select all that apply. With respect to texture, ______ considers only the vertical aspect of music, where pitches combine simultaneously, creating chords over the course of a musical work. What must you flame the loop between each streak when preforming the streak plate method? What is the weight of a 5 inch solid circular bar with a one inch diameter if the density weight of gold is .698 Ibs/in^3?a.) 5.5 Ibsb.) 1.8 Ibsc.) 2.7 Ibs d.) 11.0 Ibs PLS HELP! THIS IS DUE! PLS HELP!At a graduation dinner, an equal number of guests was seated at each of 4 large tables, and 5 late-arriving guests were seated at a smaller table. There were 37 guests in all. If n represents the number of people seated at each of the large tables, what equation could you use to find the value of n? Two skaters start at the same point and travel in opposite directions. One skater travels 4 mi/hr slowerthan the other. If the two skaters are 132 miles apart after 3 hours, what is the rate of each skater Please help with this parallelogram! :) Kim stands in a line of people. She is the 25th person counting from the front of the line. She is the 12th person counting from the rear. How many people are in the line Find in each case whether the lines are parallel to each other, perpendicular to each other, or neither. a) y = 1- x b) x - 2y = 4 y = x + 4 = 3x 1 c) 3y=9x + 1 d) 4y = 8x + 1 x + 3y = 4 2y = 3 - 4x Calculate the volume (mL) of a 2.50M NaOH solution are required to make 725 mL of a 0.150M NaOH solution? what is the mass of water required to fill a circular hot tub 3 m in diameter and 1.4 M deep answer in units of kg 36abc + 54ad i don't know the answer Date Transaction description 15 Turbo Tech paid $700 in partial payment of their account. 15 Paid sales staff wages of $5,323 for the two weeks up to and including yesterday, Cheque No. 607. 17 Sold 3 Find the difference between simple intrest and compound interest on a deposit of $3,000 that earns 4.5% interest for 5 years Round to the nearest cent!