what is the solution to the following system of equations?
x – 3y = 6
2x + 2y = 4
a. y=-1
b. x=3
c. y=3
d. x=-1

What is the greatest common factor of 8 and 36

If a || b and e || f , what if the value of y ?

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′?