1. Answer: a. The average atmospheric pressure formula is P = 14.7e^-0.21x , P in lb/in^2 and x is the height in miles above sea level. Determine the average atmospheric pressure for a height of 3.5 miles.
b. Maria invests the sum of 5000 at an annual compound interest of 9%. How long does it take for the investment to reach $ 7500?
c. Suppose Roberto invested 3000 to 9% compound each month for 3 years. How much does Roberto have at the end of the three years?
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