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I m trying to figure out a math question, can anyone help? If I make $30.00 every 3 weeks how long will it take to get $800.00? Thanks!? Simplify : (4x^(-6))^(-3/2)? In calculus when integrating using u substitution how do you determine what u should be? Especially in a rations that it is not easy to tell? What does T1 mean in T1-TiSe2 ? Titanium diselenide? Can one parent with negative blood type have a child with a positive blood type? how does it work?