Your parents are considering a 30-year, $100,000 mortgage that charges 0.5% interest each month. Formulate a model in terms of a monthly payment p that allows the mortgage (loan) to be paid off after 360 payments. Hint: If an represents the amount owed after n months, what are a0 and a360?

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A: As per answering guideline, we can answer one question at a time. Thank you for your support.

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Q: Simplify the following square root. V-49

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A: Given that 40 foot tree casts a 12 foot shadow Find the length of the shadow of 21 foot tree.