For question 18 pls ,and show work

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.

17 in long 1.3 ft wide and 8in high what is the volume

Which inequality has a dashed boundary line when graphed ?