If B is the midpoint of AC, and AC = 92, find x. Round your answer to the nearest tenth if necessary. AB= 31

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Aline is perpendicular to another line m2= (-1/m1), where m1 is the slope of the original line and m2 is the slope of the perpendicular line. which of the following equations represents the line that passes through the point (-2,1) and is perpendicular to the line below?