Answer:
it would be b
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given
Represent the volume of the cylinder with V1 and the volume of the sphere with V2
So, from the first statement: we have:

and

To solve for
, we simply substitute
for
in 




Hence, the volume of the sphere is 
Okay, so add 15 to 30
and you get
45
Hope this helped you out!!
800,000+40,000+5,000+400+50