Question

PLEASE HELP! I WILL GIVE YOU 25 POINTS AND BRANLIEST!! PLEASE ONLY CORRECT ANSWERS!!

Answer 1

To start, I had similar questions and I know that it takes 3 cones to fill a cylinder. 
And as for the volumes:
V of a cylinder= V=π r2 h (pi x radius squared x height)
Volume of a cone= V=π r2 h/3 (pi x radius squared x height divided by 3)