Which one is a complex number?
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Find three consecutive numbers such that the sum of one-fourth the first and one-fifth the second is five less than one-seventh the third
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An airplane travels at an unknown elevation before it descends 3 miles to an elevation of 15 miles. find the elevation of the plane before its descen.
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You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25
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