document.write( "Question 223304: give the next number in the pattern 17 23 15 21 13 19 \n" ); document.write( "
Algebra.Com's Answer #167009 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
17 23 15 21 13 19 [11]
\n" ); document.write( " +6 -8 +6 -8 +6 -8
\n" ); document.write( "
\n" );