Find the midpoint of CH if C has coordinates (-5,-2) and H has coordinates (9,-4)

Which of the binomials below is a factor of this trinominal? x^2-13+30

Find the cosine function that is represented in the graph.

Aball is thrown from a height of 139 feet with an initial downward velocity of 15 ft/s. the ball's height h (in feet) after t seconds is given by the following. h=139-15t-16t^2 how long after the ball is thrown does it hit the ground? round your answer(s) to the nearest hundredth. (if there is more than one answer, use the "or" button.) t =