How do I create a new identity in Algebra with (y-x) and (x^2 + 2xy + y^2)?

Which system of linear inequalities is represented by the graph?

Jose is going to use a random number generator 500500 times. each time he uses it, he will get a 1, 2, 3,1,2,3, or 44.

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x