I know the answer but do i have to show you their phone numbers and send it out on the bay on open mic or no no
we know that
step 1
multiply
by 
so

step 2
Divide numerator and denominator by 

therefore
the answer is

Answer: a
Step-by-step explanation: look at the chart

r - radius, h - height
The diameter is twice the radius.

The answer is c. 791.3 m³.
96 and 2 cause they are WAY off.