In the figure above, the vertices of quadrilateral a b c d lie on the sides of quadrilateral p q r s. what is the sum of the degree measures of the eight indicated angles?

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.