Can someone help me answer 5×5 plz

Solve the system of equations y= 3/2 - 1, -x+ y =-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′?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.