# 5) Simplify the expression: 4 -3x2 +7x) - (3x3 -2x2 +5x -3) 6) Solve:

(2x^{}^{}^{}^{}

((2x - 3) / 4) - ((4 - x) / 2) = ((x + 1) / 3)

**7) Jules can pay his housekeeper $15/week to do his laundry, or he can have a laundromat do it at the cost of 50cents/pound for the first 10 pounds and 40cents/pound for each additional pound. Find the minimum weight at which it is more economical to use the housekeeper than the laundromat.**

**8) Compute. Write the answer using scientific notation: **(1.8*10^{-40}) / (7.2*10^{-71})

**9) In a competition, Jules must average at least a score of 9.65 to win a medal. Seven of the eight judges have reported scores of 9.5, 9.7, 9.9, 9.7, 9.7, 9.6, and 9.5. What minimum score does she need from the last judge to win a medal.**

This question was created from Math012-0L1-Spring2018_MidtermExam.pdf, https://www.coursehero.com/file/28045211/Math012-0L1-Spring2018-MidtermExampdf/?focusQaId=11341674

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