-3n+48=0
-3n=-48
-3n/-3 & -48/-3
n=16
Answer: 
Step-by-step explanation:
Given:

To make
the subject of the formula means that we want to make
to stand alone , the first thing to do is to multiply through by 1/4a , that is

take the square of both sides:

The bottoms are all multiples of seven
The Formula for the volume of a sphere is 
- r --> length of radius --> 2ft
<u>Volume</u> = 
The <u>volume is 33.51 cubic feet</u>
<u></u>
Hope that helps!