A set has a cardinality of 9. How many proper subsets does the set have? The set has 2^9 = 512 proper subsets
A survey of 75 people found 45 like rabbits, 32 like hamsters, and 15 like both animals. How many people like neither animal? People who like...
x is a multiple of 6 and 1 ≤ x ≤ 16. We want multiples of 6 between 1 and 16. We start with 6. Another multiple of 6 is 12 The next multiple of...
Determine if the statement below is True or False If B ⊂ A, then A ∩ B = B Is this statement True or False? True: If B ⊂ A, then B ∈ A So A ∩ B...
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