Please help with this geometry question

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.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Consider the function f(x)=-5x+3 what is f(-2)