Alocal furniture store is advertising a discount of 30% off of their selection of sofas. pauline wants to buy a sofa that has an original cost of $450. what is the sale price of the sofa?

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