document.write( "Question 735789: If
\n" ); document.write( "n(A) = 14, n(A union B) = 17, and n(B) = 9,
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Algebra.Com's Answer #449549 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\"n%28A%29+=+14\", \"n%28A+U+B%29+=+17\", and \"n%28B%29+=+9\",
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\n" ); document.write( "n(A ∩ B)=\"%28n%28A%29%2Bn%28B%29%29-n%28A+U+B%29=+%2814%2B9%29-17=23-17=6\"
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