If 400 dpi equals 3.6 and 800 equals 1.8. What does 1000 dpi equal to?

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′?

How many ordered pairs of positive integers satisfy xy=32?

Find the axis of symmerty for x y=x squared -4x-8