If tan theta = 4, find sec theta

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You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

What is the length and width of a 84.5 square foot rug? will mark

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?