Hey guys umm it would really mean a lot to me if you subbed to my yt and liked my two videos...if it isn't too much trouble its Lavish lee

(40 points) i need some . an answer definition is appreciated as well.

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.)

Write as a product: ac^2–ad+c^3–cd–bc^2+bd