If 5 rubber stamps cost $9.70 which equation would determine the cost of 11 rubber stamps

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.)

John checked his watch and said that it is thursday, 7 am. what will the day and time be 2006 hours plzzz i will give you 100 points

Can you me find the slope! (30 points)