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What is the probability that a randomly chosen student has either blood group a or blood group b?
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According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities
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The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?
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Which expressions equal 9 when x=4 and y=1/3 a. x2+6y b. 2x + 3y c. y2-21x d. 5 (x/2) -3y e. 3x-9y
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What is the probability that a randomly chosen student has either blood group a or blood group b?...
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