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Message: <blockquote data-quote="ox_Sammy_ox" data-source="post: 2300457" data-attributes="member: 802047">11. Simplify ^3 sqrt -8x^3 (the ^3 is outside the sqrt to the left)12.Rewrite with rational exponents (sqrt 5mn) ^5 ( the ^5 is outside the sqrt to the right)13.Multiply (sqrt 2 +1)(2 sqrt2 +1)14.What does it mean to refer to a 20 in TV set or a 25 in TV set? Such units refer to the diagonal of the screen. A 15 in TV set also has a width of 12 inches. What is its height? ____inches15.Find the following. Assume that a and b can represent any real number^448sqrt (a+b)^448 = ( the first ^448 is outside the sqrt to the left)If anyone can help me on any of these problems it would be appreciated!!</blockquote>