The typical travel time during the morning commuting hours decreased by approximately what percent from 1986 to 1988?
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In a survey, 130 people were asked how many movies they had seen in the preceding year. Their responses varied from 0 to 30 movies. The graphs above show two different summaries of the same survey results. How many people responded that they had seen 11 or 12 movies?
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Quadrilateral ABCD is a parallelogram, r=2, and ∠DAB=45, what is the area of the shaded region?
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