To find 19+(11+37), lennie added 19 and 11. then he added 37 to the sum. what property did he use?

Match each expression with its simplified form.

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′?

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)