Whats the annulus of the shaded area? ​

1. a right triangle is graphed on a coordinate plane. find the length of the hypotenuse. round your answer to the nearest tenth. 2. use the angle relationship in the figure below to solve for the value of x. assume that lines a and b are parallel and line c is a transversal.

What is the measure of angle tvu shown in the diagram below

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