Denote the set below by​ set-builder notation, using x as the variable.   {1, 3, 5,  ..., 77}

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Use set-builder notation to write the following set. (3, 6, 9} O {x | x is a multiple of 3 and 3 < x < 9} O {x|x is a multiple of 2 and 3 < x < 9} none of these O{x1x is a multiple of 2 and 2 < x < 10} O {x | x is a multiple of 3 and 2 < x < 10}

Consider these sets: A={2,7,3,1, 4} and B={8,5,7,2}. What is n(A)+n(AnB) equal to? 8 7. acer

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write a word description of the set {1,3,5,7,9} The set of _________ less than ________.

Express the set using the roster method. {x|XEN and 30 ≤x≤90} Choose the correct answer below. OA. Ø O B. (30, 31, 32, 33, ..., 90} O C. {..., 27, 28, 29, 91, 92, 93, ...} O D. 31, 32, 33, 34, .... 90}

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Which of the following phrases describes an empty set? O Common factors of 5 and 9. Multiples of 2 less than 10 that are divisible by 5. Prime numbers divisible by 2. Perfect squares less than 10 that is divisible by 3.