PLEASE HELP?
I’ve failed this too many times

Prove that the diagonals of a parallelogram bisect each other.
Name the coordinates for point C.

You are constructing a histogram for scores that range from 70 to 100 in whole points. frequencies range from 3 to 10; that is, every whole-point score between 60 and 100 occurs at least 3 times, and at least one score occurs 10 times. which of these would probably be the best range and size for the score intervals along the x-axis?

If lmn=xyz, which congruences are true by cpctc? check all that apply

In what organelle does photosynthesis take place?