The quotient of 24 and the difference of a number n and 2?

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1

Solve for x where 0 equation: cot^2x+2cotx+1=0