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Astudent id number is a letter of the alphabet followed by 2 digits. how many different ids are possible if the digits can be repeated?
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Acircle has the equation (x-2)^2 +y^2 =5. what are the coordinates of the circle's center?
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The sum of two numbers is 86, and their difference is 20. find the two numbers
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Astudent id number is a letter of the alphabet followed by 2 digits. how many different ids are poss...
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