If the mean of this distribution is 13.7, which could not be the median? a) 9 b) 14 c) 16 d) 18

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.)

What percent of the circle below is shaded?

Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6