Kate is saving to take an sat prep course that costs $250, so far , she has saved $150, and she adds $10to her savings each weeks must she save to be able to afford the course

Which of the following of the following sets of side lengths could not form a triangle?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

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?