The amount of money spent by a customer at a discount store has a mean of and a standard deviation of . What is the probability that a randomly selected group of shoppers will spend a total of more than

The amount cami raised during last year’s charity walk, $45.50, is 7/10 of the amount she raised this year. which equation represents n, the number of dollars she raised this year?

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.

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?