PLEASE HELP THIS WAS DUE LAST WEEK!!!!!!!!!!!!!

Zach and Josh see a drawing of a quadrilateral FOUR, F(2, 2) O(5, -2) U(9, 1) and R(6, 5). Zach says the drawing is a rhombus, but not a square. Josh says the figure is a square. Who is correct? Give an explanation or work that supports your answer.