PLEASE HELP!
Find the volume of the sphere in terms of Pi

Answer:
972*Pi
Step-by-step explanation:
(see attached pic for reference)
the formula for volume of sphere is given by:
V = (4/3)πr³
we are given that r = 9 units,
substituting this into the formula gives us:
V = (4/3)πr³
V = (4/3)π(729)
V = 972π