Which of the tables represents a function?

Table A

Input Output

7 2

8 1

5 6

Table B

Input Output

5 2

3 5

5 6

Table C

Input Output

1 2

1 9

7 3

Table D

Input Output

2 6

6 7

6 2

Table A

Table B

Table C

Table D

Which of the following lists some of the non-monetary factors that are taken into account when doing cost-benefit analysis

Solve for r. 4r-9s=K

What is the median of the following set of data? 21, 4, 18, 9, 25, 16, 27, 30, 33, 15, 31

What is the volume of this rectangular prism 3 ft by 6 1/4 ft by 14 ft

You are on vacation in Canada. Canada also uses the dollar for currency. The exchange rate is 1 U. S. Dollar is equal to 1.33 Canadian dollars. You exchange $175 U. S. For Canadian dollars. How many Canadian dollars will you receive?

How would I write and work 3 1/5 as a decimal

The lengths of the legs of a right triangle are consecutive even integers. The hypotenuse is 58 inches. What is the sum of the lengths of the legs in inches?

In the XYZ contest, a school may enter 1, 2, 3 or at most 4 teams. Suppose 247 teams are entered in the XYZ contest. What is the smallest number of schools that could have entered the XYZ contest?

Is the number 5 prime composite, nethieror prime

At a basketball game, a vender sold a combined total of 225 sodas and hot dogs. The number of sodas sold was 49 more than the number of hot dogs sold. Find the number of sodas sold and the number of hot dogs sold