5y–2y+7y= ?
what is the answer

Can anyone me with 32,33,36,37,and 40.

I’m stuck on this equation, anyone got the answer?

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