A cube measuring 6cm a side is painted red, and then cut up into 216 smaller cubes each 1 cm cubed in volume. How many of them have no paint at all?

Tony is charged $ 50 and additional $0.15 per miles for renting a car. a) represent the cost of renting a car with an equation, and the determine the cost if he drove it70 miles. b) what would be the cost of a car rental if the car was driven 250 miles? show work