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A boat on a river travels downstream between two points, 90 mi apart, in 1 h. The return trip against the current takes 2 1 2 h. What is the boat's speed (in still water)?
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Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not
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Solve 3x-18=2y and 5x-6y=6 by elimination show work
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A boat on a river travels downstream between two points, 90 mi apart, in 1 h. The return trip agains...
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