Phillip has a $25 gift card to his favorite restaurant he wants to use the gift card to buy lunch if c represents the cost of his lunch what inequality can describe all of the possible amounts of money in dollars that phillip can spend on lunch

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