The following chart shows the number of patients admitted daily to Memorial Hospital through the emergency room. 3
Frequency
20
10
20
points
0
2
10
12
8
Number of patients
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a. What is the midpoint of the 2 up to 4 class?
References
Midpoint
b. How many days were 2 up to 4 patients admitted?
Number of days

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.