After eating at your favorite restaurant, you know that the bill before tax is $52.60 and that the sales tax rate is 8%. you decide to leave a 20% tip for the waiter? How much will the total bill be, including tax and tip?

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min