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Solutions to some quiz problems:

• Quiz 1 (pretest)
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  • Page 2
  • Page 3
• Quiz 2
  • Version a: Page 1
  • Version a: Page 2
  • Version b: Page 1
  • Version b: Page 2
• Quiz 3
  • Version a: Page 1
  • Version a: Page 2
  • Version a: Page 3
  • Version b: Page 1
  • Version b: Page 2
  • Version b: Page 3
• Quiz 4 (Corrected)
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• Quiz 5
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  • Page 3
  • Page 4
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• Test 1
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  • Page 4
  • Page 5
• Quiz 6 (Two versions were similar; some numbers were changed)
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  • Page 4
  • Page 5
• Quiz 7
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• Quiz 8
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• Test 2
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  • Page 3
  • Page 4
• Test 3
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  • Page 2
  • Page 3(Correction: on #4 I forgot to divide by 2. Also I switched x & y, which is not incorrect, but may look odd.)