The latest online craze is a new game, Khan on Seven. You get
100100
100
100
points for playing the game. In addition, you get
5050
50
50
points for each seven-letter word you make with the ten letters you receive. Sal wants to break the record, and he needs
18,00018{,}000
18,000
18, comma, 000
or more points to do so.

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 −