Cayman has a jar containing 742 pennies and is interested in the dates on the pennies. He takes a random sample of 20 pennies and calculates the mean date to be 1996.6.

Identify the population, sample, parameter, and statistic.

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.