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suppose we want to choose 2 letters without replacement, from the 4 letters A, B,C, and D (a) how many ways can this be done, if the order of the choices matters? (b) how many ways can this be done if the order of the choices does not matter?
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This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?
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One integer is 5 more than another. their product is 104. find the integers
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Aefg - almn. find the ratio of aefg to almn. a)1: 4 b)1: 2 c)2.1 d)4: 1
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suppose we want to choose 2 letters without replacement, from the 4 letters A, B,C, and D (a) how ma...
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