Find the indicated side of the triangle 30 a 7 b b=

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36