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Magnesium has a RAM of 24.3. Why does this mean it must have isotopes? Find the standardized variable z if x has Mean 12 and standard deviation 10.? Whats the answer to 3/2(8x+10)-3/5(10x-5)=0? Consider the equation x^(3)+cx+1=0 x1=1/(x2)+1/(x3) is given find the roots of the equation and C? The roots of the equation x^(2)-5x+p=0 are also the roots of the equation x^(3)+qx+30=0 Find q+p?