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What is the probability that a 7-digit phone number contains at least one 9?
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Elijah brought a total of 16 pounds of peanuts and cashew nuts and paid $49.50. if peanuts cost $2.75 per pound and cashew nuts cost $3.25 per pound, how many pounds of cashew nuts did he buy?
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According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.
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What is the relationship between all triangles that can be drawn given the same three angles
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What is the probability that a 7-digit phone number contains at least one 9?...
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