Need help with 20-23 please. geometry

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?

Combine the information in the problem and the chart using the average balance method to solve the problem.