When graphing the solution of an inequality on a number line, you will see either an open or closed circle and a part of the line shaded. Part A:
Describe what an open circle represents and when you would use it.

Part B:
Describe what a closed circle represents and when you would use it.

Part C:
Describe what the shading on the number line represents.

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 −