In 1834, who patented the first grain-harvesting machine in the United States?
A.
Jethro Tu...
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Arestaurant with food revenue of $500,000 and a cost of food of $100,000 has a food cost ratio of 0.2. true false
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Find all the zeros of a quadratic polynomial if 2x quad - 9x cube + 5x square + 3x - 1 if two of its zeroes are 2 + root 3 and 2 - root 3
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