5) The population of a large city increases by a rate of 3% a year. When the 2000 census was taken, the population was 1.2 million.
a) Write a model for this population growth.
b) What should the population be now?
c) What is the projected population for the year 2020?
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Solve 5 tan x = 5√(3) for 0° ≤ x ≤ 180°. a. 60° b. 150° c. 30° d. 120°

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Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?