A color printer prints 5 pages in 9 minutes. How many minutes does it take per page?

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What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

Apatient is given 50 mg dose of medicine the medicines effectiveness decreases every hour at a constant rate of 40% what is the exponential decay function that models this scenario how much medicine will be left in the patients system after 2 hours

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9