The abc bagel shop sells bagels for $0.85 each. thus far today they have sold 47 bagels. write an equation that represents the amount of money, a, they'll make if they an additional, b, bagels today

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