The volume of a cylinder with a radius r and a height h:

The volume of a cone with a radius r and a height h:

Therefore

We have 
Substitute:

Answer: The volume of a cone is equal 10.75 in³
Answer:
16
Step-by-step explanation:
If x = 4
2(4)+8 (2 * 4 = 8)
8 + 8 = 16
[RevyBreeze]
I am pretty sure it is customary
45 because 1-4 round down and 6-9 round up to make the 44 become a 50