Solve for HT in the diagram below ( HELP PLEASE )

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.

Select the quadratic that has root x = 8 and x = -5

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined