Items 2-5. Find the coordinates of the vertices of each imagege​

What is the value of x? enter your answer in the box. (cm)

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1

Solving algebraic equations 2m+3=11