HELP ME PLEASE! Thank youu btw extra points

The earth rotates on its axis and revolves around the sun every

Over half of the african-american population in the united states live in

Zac wanted to determine the measure of r and of ? r in the triangle below. to fine the measure of r, zac sets up the problem.42^2 + 24^2 = r 2. determine whether zac set the problem up correctly.