A teacher writes a function to model the rate of completion on a test where C(n) represents
the completion rate and n represents the
number of students who have completed the
test over a class period. What would be an
appropriate domain of the function if the
teacher has 30 students in the class?

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 −