Simplify each expression (combine like terms) 17x+12-13x -35+17-3w+12w

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

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?

What does the sign of the slope tell you about a line?