a feeder at the zoo in the shape of a cone has a radius of 3 inches. it holds about 113.04 cubic inches of food.

approximate its height to the nearest inch. use 3.14 to approximate the value of the pi.
ANSWER CHOICES: A. 4in B.18in C.12 in D.36in
THE ANSWER IS C. 12INCHES.

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.