HW help (asap)

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What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

You just purchased two coins at a price of $670 each. because one of the coins is more collectible, you believe that its value will increase at a rate of 7.1 percent per year, while you believe the second coin will only increase at 6.5 percent per year. if you are correct, how much more will the first coin be worth in 15 years?

The difference between the measures of two complementary angles is 14. find the measure of both angles.