Factor the expression.

k^2 - 18k + 81

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2