Answer:
Option A. 
Step-by-step explanation:
step 1
Find the volume of the sphere ( medicine ball)
The volume is equal to

we have
----> the radius is half the diameter
Convert inches to feet
Remember that
1 ft=12 in

assume

substitute


step 2
Find the weight of the ball
Multiply the volume in cubic foot by 100

Round to the nearest pound

step 2 would be 10
step 4 would be 10x-x = 9x =7
x = 7/9
Answer: F=160
Step-by-step explanation:
if
8=27
F = 540
multiply 540 x 8 /27 = F = 160
Answer:
43.96
Step-by-step explanation:warning might be wrong