Isabel lives 3/4 mile from school, janet lives 2/3 mile from school how much farther in miles does isabel live from school than janet?

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