Solve each equation for m then find the value of m for each value of n

Is the following relation a function? x y 1 4 −1 −2 3 10 5 16 yes no

What is the y-coordinate of the solution of the system of equations? [tex]y = 2x + 14 \\ - 4x - y = 4[/tex]y=

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality