Answer the following questions:

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Which of the following points is collinear with (-2,1) and (0,3)

For which of the following counts would a binomial probability model not be reasonable? a)the number of people in a classroom born in januaryb) the number of people in a classroom with red hair c) the number of people admitted to a hospital in a day with a particular disease d) the number of heart beats in a one-minute perio.