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

Answer:
k= -2
Step-by-step explanation:
you are dividing the x by -2 each time
The approximation to estimate will be 0.2498
Let the what be x
56%* x=14
x= 14/56%
x= 25%