This exam is no book, no notes, no gadgets. You have the full period (50 minutes). There are questions, worth total points. Marks will be curved so the median is B at least.


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  This exam is my own work. I understand it is governed by the Emory Honor Code.
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\begin{questions}
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\fullwidth{\textbf{Multiple Choice}: choose the best answ...
...bsets, you do not need to draw trees).
\par
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\end{questions}