Aisha's dad travels often for work. Currently, he is overseeing construction sites in Philadelphia and Pittsburgh. This table shows the number of nights he spent in each city during June and July. Nights in Philadelphia Nights in Pittsburgh Total cost June 10 8 $2,100 July 9 12 $2,490

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 −