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There were 100 screws to choose from. 30 metal screws; 45 wood screws; and 25 plastic screws. 21 of these screws were sold. Leaving your answers in combinatorics format, what is the probability that: All 21 screws that were sold are of the same type? g
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A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building
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There were 100 screws to choose from. 30 metal screws; 45 wood screws; and 25 plastic screws. 21 of...
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