3. Bob has 10 more dollars than Patrick. Together they have forty-two dollars. b = amount of money Bob has
p= amount of money Patrick has

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