Simplify the expression:
10+-2f^2+-6+7+-2f^2+-9f

Ineed no it anyone can see this

3x + 4y = 5 x- 3y = -7 solve by substitution

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