Sara took skydiving lessons. The Skydiving Shack charges $30 per hour for lessons. Sara also gave her Skydiving Instructor a tip of $15.
(a) Define the unknown in the scenario and assign it a letter or symbol.

`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. ''.