Square root of 225 divided by 13 minus 8 plus 3 to the second power plus square root of 81 minus square root of 1 to the second power

The system of equations graphed below has how many solutions? y = 2x + 2

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′?

Which linear inequality is represented by the graph?