You buy a new Nike hat for $16.99, with a 20% discount, how much are you paying for the hat (before tax)?

What is the inverse of the function f(x)=2x+1

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?

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm