James had 122 dollars to spend on 6 books. After buying them, he had 14 dollars left. Write an equation that could be used to determine how much
each book cost if they were equal in price. Use the variable x.
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Adice is rolled 5 times. how many possible rolls are there? ( determine the number of outcomes using only the fundamental counting principal )

The chart below shows the distribution of weeds in yard

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