Kevin drew square WXYZ on this grid​

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

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′?