According to the graph, the solutions that satisfy the system lie within which shaded area?

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

Which compound inequality could be represented by the graph?

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′?