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A doctor requires a 12% saline solution. A pharmacist has 10% and 15% saline solutions in stoc many milliliters of each should the pharmacist use to make 100 mL of the 12% solution? Setup an equation and solve. Label your answers. 27. (6 pts) Graph the piecewise-defined function. X y 6 5 X + 5 if x < 0 4 f(x) = -x² if X > 0 3 2 1 5 4 3 2 1 2 3 4 5 6 1 -2 3 4 5 - 6 28. (8 pts) There is an initiation fee to join the Pine River Country Club, as well as monthly dues. The total cost after 7 months' membership will be $3,025, and after 11/2 years, $3,850. Find both the initiation fee and the monthly dues. Setup a system of equations and solve. Label your answers. 13. (10 pts) A rectangular rug is 2 feet longer than it is wide. If the diagonal of the rug is 10 feet, find the dimensions of the rug. Draw a picture, label it, setup an equation, and solve. Label your answers.

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Mathematics Algebra Questions
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