Does anyone know the answer to this question?

Which of the following of the following sets of side lengths could not form a triangle?

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.)

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have