the length of a rectangle is increased to 2 times its original size and its width is increased to 3 times its original size . If the area of the new rectangle is equal to 1800m², what is the area of the original rectangle?​

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

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.