Answer:
A = 615.75
cost = $107.08
Step-by-step explanation:
the training area = (28/2)^2*pi
training area = 615.75 square feet
615.75/5.75 = 107.08
$107.08
d is answer have a great day
Money
Idk
i think it is like that beacuse it is already 90 percent not sure