The land speed record for one mile is seven hundred sixty-three and thirty-five thousandths mile per hour

What is the smallest integer n such that n\sqrt{2} is greater than 20

2x - 20 = 32 20 - 3x = 8 6x - 8 = 16 -13 - 3x = -10

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?