In the Quail Valley neighborhood, 2/3 of the families have pets and 1/2 of the families have children. All of the families that have children also have pets. There are 14 families in the neighborhood that have pets but do not have children. How many families are there in the neighborhood altogether?

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 −