13 At what point do the graphs of the equations
9x – 2y = 30 and x + 2y = 10 intersect?
A. (2, 4)
B. (3, 4)
C. (4,2)
D. (4,3)

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′?