Which of the following variable expressions would represent the area of a rectangle if its length was represented by x+5 and its width was represented by x-2? x

B

Step-by-step explanation:

Remember that the area of a rectangle is given by the formula .

We know that the length is and the width is . Therefore, the area will be:

Expand. Use the Distribute Property. This yields:

Multiply:

Combine Like Terms:

Therefore, our answer is B.

113.1

step-by-step explanation:

v=4

3πr3=4

3·π·33≈113.09734