The graph shows the relationship between time and the number of soda bottles a machine can make. Use the points (3,180) and (6,360) to find the number of soda bottles the machine can make each minute.

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm