document.write( "Question 988787: How do I find the mean of 12,-8,-9? \n" ); document.write( "
Algebra.Com's Answer #609235 by Boreal(15235)\"\" \"About 
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Add them and divide by the number of them, which is three here.
\n" ); document.write( "They add up to minus 5
\n" ); document.write( "Divide by 3, -5/3
\n" ); document.write( "That is the mean. -1 2/3 or -1.66666 (repeat) are alternative ways to write it.
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