Answer:
The height of the cone is 
Step-by-step explanation:
we know that
The volume of a cone is equal to

In this problem we have
----> the radius is half the diameter

assume 
substitute the values and solve for h


Answer:
B
Step-by-step explanation:
|6- 15| - |5(-4)| =
|-9| - |-20| =
(9)- (20) =
-11
Answer:
Step-by-step explanation:
(51 miles)/(3 gal) = 19 miles/gal
Two equivalent ratios for 30 to 6 can be 15 to 3 or 45 to 9