Can someone do this for me it would mean everything thanks

Aflute is on sale for 20% off. including the discount and 8% tax, the sales price is $216.

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.)

∆red ≅ ∆ by rule will give brainiest if possible