Write an expression of the perimeter of the rectangle.
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The holiday party will cost $160 if 8 people attend. if there are 40 people who attend the party, how much will the holiday party cost

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

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2