I need the steps for this

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

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 32+4 x (16 x 1/2) -2 show your work}