Which of the following describes the end behavior of y=-x^2+bx+c as x approaches either positive or negative infinity?

Which expression gives you the distance between the points (5,1)and(9,-6)

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′?

(x-5)1/2+5=2 what is possible solution of this equation