SOMEONE PLEASE HELP ASAP!!!

4.09 DISCUSSION CHOICE B Follow these directions

Two vertices of a quadrilateral are A(1, 1) and B(5, 3).
1) How many different rectangles ABCD can be formed with those two vertices? Support your answer. (show images of your examples)

2) Choose just one of the rectangles and identify each vertex. 3) Prove that the figure with your four vertices is a rectangle.
Instructions on what to submit:
When you have finished, post how many different rectangles can be formed using the two vertices A and B, the 4 vertices of your rectangle, and an image of rectangle, and proof in the text box of the Extra Credit quiz.