-5x-12=18 solve for x ty

What is x3+3x2−16x−48 divided by x−1?

Which of the following equations is equivalent to x/3-6/x=1

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