What is 50 points decreased by 26% so your work and explain it to me.

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.

Look at attachment. has all info needed. need

Acircle has a circumference of 28.36 units what is the diameter of the circle