Can anyone please help me with these? It’s really confusing. Thanks! :) I will give 50 points for this.

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

The measure of an angle is 117°. what is the measure of a supplementary angle?

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?