Answer:
The correct answer is B
Step-by-step explanation:

Volume of cone :

Now, let's plug in the values as per the diagram ~




Answer:
A. (x+5) / (x+10)
Step-by-step explanation:
______
A cone is 1/3 the volume of a cylinder so 1/3 * (π r^2) * height
remember r = 1/2 the diameter