document.write( "Question 836498: Which expression describes the series 12,10,8,6, ... ? \n" ); document.write( "
Algebra.Com's Answer #504225 by richard1234(7193)\"\" \"About 
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That is a sequence, not a series (a series is the sun of the terms of a sequence).\r
\n" ); document.write( "\n" ); document.write( "Letting be the first term of the arithmetic sequence, we have .
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