Find the sum of 4x3 2x2 - 4x 3 and 7x3 -4x2 7x 8.

Find the solutions for a triangle with a =16, c =12, and b = 63º

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?

If f(x)=x+7 and g(x)=1/x what is (fog)(x)