Answer:
Circumference is 2piR =31.4
Area is pir^2=78.5
Step-by-step explanation:
do you have any answers to choose from?
A)$2.50 x b = total cost
B) 9 x 2.50 = $22.5
C) 50 x $2.50 = $125 - $14.75 = $110.25
