What is an equation for the line that passes through the coordinates (2,7) and (0,1)

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 perpendicular to y=-1/2x+11

What are the domain and range of f(x)= -log5(x+2)