find a formula for the parabola with the points (-1,0), (3,0)and (0,-1)
February 8, 2012
Candy costing 1.25 per kilogram was mixed with candy costing 1.65 per kilogram to produce 10 kilograms of a candy mixture worth 1.40 per kilogram. find how may kilograms of each was used.
September 28, 2010
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