Sarah recieved a coffee gift card that has $80 on it. she used it by buying coffee that cost $8.51 per pound she has $37.45 left. how many pounds of coffee did she buy?

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Is it greater than or less than7*3_9*2

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