Which of the sets of ordered pairs represents a function? (5 points) a = {(1, −5), (8, −5), (8, 7), (2, 9)} b = {(7, −4), (7, −2), (6, −3), (−9, 5)} only a only b both a and b neither a nor b

How many degrees does the hour hand move from 3: 00 to 5: 30?

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.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?