Aiko had 17 comic books in her collection. She ordered some boxes of comic books. Each box contains 8 comic books. Aiko now has 65 comic books in her collection.

Complete the equation that represents the total number of comic books in Aiko's collection, where b is the number of boxes ordered.

b + _
= 65

b = _

Aiko receives some bonus boxes of comic books. She now has 97 comic books in her collection.

Since Aiko received bonus boxes, the value of b has increased by _
.

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 −