. . "7 If k is a positive constant and y = |x - k| - |x + k|, what 12bhang 9 04 Aug 2013, 03:42 7 If n is a positive integer and k = 5.1 x 10^n , what is the Baten80 3 09 Mar 2011, 06:52 16 If k and x are positive integers and x is divisible by 6 Burnkeal 17 29 Oct 2010, 16:10 2 If x is a positive integer, is x an integer? ezinis 3 29 Sep 2010, 06:09 If n is a positive integer and k = 5.1 x^n , what is" . .