Select the ordered pair that represents a solution to each function below f(x) = -x+6

Wrote and expression for the difference of p and 4

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

Parabolas y=−2x^2 and y=2x^2+k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.