F(x) = x^2- 51 when f (-7)

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7