Ben thought an
assignment would take
20 minutes to complete.
It took 35 minutes.
What is the percent
error in his estimate of
the time?

Find the lengths of the diagonals of this trapezoid.

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

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.