Holly has a hard drive that she uses to store her digital music. The hard drive has a 500-megabyte total storage capacity, but only of the hard drive's capacity is free.
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What amount of the hard drive in megabytes has Holly used to store her digital music?

Imagine a new pasture with grass growing on it. every day after the seeds have germinated, the number of blades of grass in the pasture triples. after 18 days, the entire pasture is completely covered in grass. how many days did it take for the pasture to be one-third covered in grass?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.