Please answer asap whoever answers first i will mark u brainliest

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

Using elimination, what is -4x+2y=-12 4x+8y=-24

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radii and altitudes is 2: 1? submit