Your parents took your family out to dinner. your parents wanted to give the waiter a 15% tip. if the total amount of dinner was 42.00,what should be paid to the waiter as a tip

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.

Ineed with math stuff it involves graphs

What is the factor form of x^2-9x+14