Mike needs to eat less than 2000 calories in a day. He already ate 1780 calories and wants to eat a few more snacks that are 85 calories each. Write an inequality to find out how many snacks Mike can eat.

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