Three angles of a quadrilateral are 75 degrees, 90 degrees, and 75 degrees. Find the fourth angle? please answer quick​

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.

Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?

F(x)=5/6x+3 which of the following is true