Answer:
Step-by-step explanation:
A
Answer: -9z + 15/x^2
The correct answer is -9z + 15/x^2 when simplified
<em>Hope this helps =)</em>
For this case we have that by definition, the volume of a sphere is given by:

Where:
r: It is the radius of the sphere
According to the statement we have to:

So the volume is:

Rounding we have that the volume of the sphere is: 
Answer:
Option B
Answer:
27
Step-by-step explanation:
volume = side³
v = 3³
v = 27
i dont know how to convert to whatever <em>h </em>is so this is the best answer i can give