In 1999, total revenue of a company from music sales and licensing was $14.1 billion. It was forecasted that this number would continue to drop until it reached $5.6 billion in 2014. Find this percent decrease in music revenue.

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing im pretty sure that is the right answer

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26?

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hope this is what you were asking for!

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well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

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