Can u pls help me?? I need so much help on this and im so sorry for posting a lot

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0