Which choice is equivalent to the expression below? √-27

43lbs of tomatos cost $387. how much would 41lbs cost

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

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