Coach Gibbs bought 18 pizzas to feed two teams, the Gators and the Lions. The Gators ate 6 1/2 pizzas and the Lions ate 9 3/8 pizzas. How many pizzas were left over?

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8