for brainiest :):):):):):):)
*easy*

Answer:
12in, 30ft, 87.92in
Step-by-step explanation:
question 8: 24/2 = 12in
question 9: 15(2) = 30ft
question 10:
C = 2πr
C =2(3.14)(14)
C= 87.92in