Find the values of a and b that make the second expression equivalent to the first expression. Assume that x > 0 and y ≥ 0.

A=
B=

How do i solve using pythagorean theorem?

Find the value of the cosine for angle a

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.