Weighing 150 pounds requires 144 milligrams of medicine. What is the weight of a patient who requires 174.72 milligrams of medicine?

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

The area of a circle is equal to 1 dm². find the radius of the circle.

Which expression can be used to find the cost of .75 kilogram of cheese at the price of $6.40 per kilogram?