document.write( "Question 723278: How many combinations of two books can be chosen from a group of four on a shelf? \n" ); document.write( "
Algebra.Com's Answer #443101 by checkley79(3341)\"\" \"About 
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THE FIRST CHOICE CAN BE 1 OF 4.
\n" ); document.write( "THE SECOND CAN BE 1 OF 3.
\n" ); document.write( "4*3=12 ANS.
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