The University has decided to start building a new pool on the South Green. The pool will reduce the size of the grass covered area by 4% to 30,000 square feet. What is the current size of the South Green in square feet?

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?