Aparallelogram is always which of these?     rhombus     quadrilateral rectangle     square

This doesn’t make sense to me it’s supposed to be lcm ( least common multiple )

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

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?