The actual diameter of Uranus is 31,250 miles. In a scale drawing of the solar system, the diameter of Uranus is 125 centimeters. What scale was used to make the model?

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