Kenji buys 3 yards of fabric for 7.47.then he realizes that he needs 2 more yards. how much will the extra fabric cost

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

What is the sum of these mixed numbers 4 2/3+ 3 1/9

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.