I need help. Please help me, thxs.

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

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

Arectangle has a length of 6cm by 8cm what is the length of a diagonal of the rectangle