The width of a rectangular playground is 2x -5 feet and the length is 3x+9 feet write the polynomials that represent the area and the perimeter of the playground

Part 1)

Part 2)

Step-by-step explanation:

Let

L -----> the length of a rectangular playground

W ---> the width of a rectangular playground

we have

step 1

Find the area of the playground

The area of a rectangle is equal to

substitute the given values

step 2

Find the perimeter of the playground

The perimeter of a rectangle is equal to

substitute the given values

answer: a. 74

step-by-step explanation:

it shows divided evenly, so add the 37+37 = 74

6.9

step-by-step explanation:

simple math really

6 1/2 times 0.6 = 3.9

but if you are just doing 6 and not 6 1/2 then the answer is 3.6