A recipe asks for 6 1/4 cups of flour. How many cups are needed to make 1/2 of a recipe? express the awnser in simplest form. enter the awnser in the box! Pls awnser right away

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