document.write( "Question 51774: find the tenth term in the sequance:
\n" ); document.write( "13,17,21,25....
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Algebra.Com's Answer #34525 by Nate(3500)\"\" \"About 
You can put this solution on YOUR website!
13 + 4 ~> 17 + 4 ~> 21 + 4 ~> 25 ....
\n" ); document.write( "a(x) = a(1) + (x - 1)d
\n" ); document.write( "a(10) = 13 + (9)4
\n" ); document.write( "a(10) = 13 + 36 = 49
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