What scale factor was applied to the first rectangle to get the
resulting image?

water molecules will move from the side of higher water concentration to the side of lower concentration until both solutions are isotonic. at this point, equilibrium is reached. in an isotonic solution, the flow of water in and out of the cell is happening at the same rate.

hope this < 3

answer:

c) the x-coordinate of the center of the circle increases by 3