Pleas help, is this direct variation, if so tell the constant of variation and the direct variation equation rotate the image once so the arrow is going up

Which of the following statement about pascal's triangle are true?

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.

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8