Answer:
(1/3) Pi r^2 h
Step-by-step explanation:
The volume of a cone (or pyramid, for that matter) is 1/3 the area of the base times the height.
Cones have bases that are circles, so their areas are Pi r^2, usually written
, Pi times the radius squared.

Answer:
x=1
Step-by-step explanation:
3x+1=10x-6
3x+7=10x
7=7x
1=x