Consider the ground set If is a subset of and what is the sum of all the elements in the set
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Consider a set with elements. If is a subset of such that how many elements are there in the set
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Bella keeps a supply of red, blue, and black pens in a drawer. The drawer has 18 red pens, 18 blue pens, and 11 black pens. If Bella wants a red pen, what is the minimum number of pens she has to pull out from the drawer to make sure she gets a red pen?
How many of the integers from 1 to 100 inclusive are not perfect squares of an integer?
Consider the set and the subset of . What is the sum of all the elements in the set
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