One of two complementary angle is 20° larger than the other. What is the measure of the two angles?

You got a job selling magazines door-to-door. you are paid $100 per day plus $1.50 for each magazine you sell. which recursive formula models this situation?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

If sin(x) = 0 and cos(x) = 1, what is tan(x)?