Given P = f(x) where P is the profit in thousand of dollars and is the number of units sold, which of the following is the best interpretation of f(320) = 8.5 ? Thank you

Mary had at least an 80% on her test write an inequality to represent this situation

What’s the answer ? use the picture to see the problem

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