Hello! :) Please help me solve this + explain your answer :)

I will indeed give you Brainlst <3

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.

Based on the figures as marked, /\rqs = —

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys