What is the length of a side in a triangle if its adjacent angle is 45 degrees, the opposite angle is 60 degrees, and the opposite side is 7 units long?
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Question: Find the basis of vectors in R³ for the subspace spanned by (1, 2, -1) and (-3, 6, -3).
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Question: What is the mean, mode, median, range, and average of the following dataset: 5, 9, 12, 7, 5, 9, 6?