Using diagonals from a common vertex, how many triangles could be formed from the polygon pictured below?

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

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

The stairs leading from the ground to the entrance of a plane forms a right triangle with the ground. if the distance of the stairs measures 22 feet and the ground distance measures 11 feet, how high is the entrance to the plane from the ground? which diagram represents this scenario? / 22ft © 22ft 11 ft 11 ft 22 it