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8. Suppose that a box contains one blue card and four red cards, which are labeled A, B, C, and D. Suppose also that two of these five cards are selected at random, without replacement. If it is known that at least one red card has been selected, what is the probability that both cards are red
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Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?
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Which of the following statements would be sufficient to prove that parallelograms pqrs is a rectangle ?
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8. Suppose that a box contains one blue card and four red cards, which are labeled A, B, C, and D. S...
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