If f(x) = -x + 5 and g(x) = x2, what is (g° f)(-1)?

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

Find the solution(s) to x^2-14+49=0

Sum of the interior angles of a pentagon