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The number of DVDs sold at Bob's store can be modeled by
the function N (t) = 4 +3 and the price per DVD can be
modeled by the function P(t) = 7 - 2 + 7.2 where t is
the number of years since 2002.
According to this model, what is the total amount of revenue
generated by Bob's DVD sales in the year 2010?

Which statements regarding the diagram are true? check all that apply.

Which two fractions are equivalent to 24/84? 6/42 and 2/7 6/21 and 2/6 12/42 and 3/7 12/42 and 2/7

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.