Lake texcoco, which became tenochtitlán is now entirely gone because mexico city is there. it covered an area of 2.1 x 10^3 square miles. lake titicaca in bolivia, covers an area of 3.232 x 10^4 square miles. about how many times as great is the area covered by lake titicaca as opposed to the lake that the aztecs built on?

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.