The sum of two numbers is 9. The difference in their squares is also 9. Find the numbers.

X2 + y 2 = 36 x + y = 6 solve the system of equations.

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?

Me with geometry ! in this figure, bc is a perpendicular bisects of kj. dm is the angle bisects of bdj. what is the measure of bdm? •60° •90° •30° •45°