I NED HELP Is the slope of the line positive, negative, zero, or undefined

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′?

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry