One phone company charges a flat fee of $35, plus $0.15 for each minute. the other phone company charges a flat fee of $20, plus $0.25 for each minute. for how many minutes, m, do the companies charge the same amount?

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′?