Beth has 250 comic books in her collection. She begins to sell 20 comics each week. Martin has 80 comic books and buys 15 comics each week. Write and solve an inequality to determine in how many weeks until Martin has more comics than Beth.

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −