Afood service worker earns $12 per hour. how much money , m, does the worker earn on a shift of h hours?
what is the dependent variable and independent variable

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