Find cos B in the triangle

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 solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)

What is the graph of the absolute value equation ? y=|x|-5