In a direct variation, y = 16 when x = 4. Write a direct variation equation that shows the relationship between x and y.
Write your answer as an equation with y first, followed by an equals sign.

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