What type of polynomial is -4x3 +2

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

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

What’s the answer ? use the picture to see the problem