Part I: Please solve the following problems below. Make sure to show all your ca

Part I: Please solve the following problems below. Make sure to show all your calculations in order to get full credit.
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Part II: After solving your equations above, write no more than a 2 page essay demonstrating how the equations you solved are applicable and/or can be used in real-world situations. Provide examples to support your response and cite your source(s), e.g., website link, article, media, etc.