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If it took 4 hours to clean 8 houses, how many houses could be cleaned in 7 hours
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At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?
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Is the square root of 4 plus the square root of 16 rational?
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In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.
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If it took 4 hours to clean 8 houses, how many houses could be cleaned in 7 hours...
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