For the system of equations below what number do we need to multiply one of the equations by to eliminate one of the variables 5x+7y=23
5x+2y=3​

What drives an advertising campaign?

Moving down the ramp from 6 meters to

What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis