what set of numbers can represent the side lengths in, centimeters, in a right triangle of a of a right triangle

7x+8y=-18, 4x-9y=-3 solve the system of equations

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.

Find the missing dimension extra points