Molly uses the school directory to select 25 students from her school for a survey on which sports people like. Is Molly's survey a random sample?

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?

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

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?