If there was 1/3 of a yard in a foot and 2/3 in 2 feet and 1 whole in 3 feet and 4/3 ing 4 feet and 5/3 in 5feet then what is the constant of proportionality?

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

Answer pls man im trying to get out of summer school

Solve 13 + w/7= -18 (w/7 is a fraction)