- 9 inches to 5 feet simplified?

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Calculate the pH of a solution that is 0.100 M in hydrofluoric acid and 0.100 M in sodium fluoride. Ka of hydrofluoric acid is 6.3 x 10-4? Find the solubility of a aqueous PbSO4 solution. Ksp=1.6*10^-8 mol^2 dm^-6? (3x-2)(x+4)=3x^2+10x-8
are (3x-2) and (x+4) called the "roots" or "factors"? List the factors that you need to consider when choosing the hands disinfectant to use in your microbiology lab.? What is the derivative of the sqrt of 2x? The book says the answer is the sqrt of 2/2•sqrt x. But I keep getting 1/sqrt(2x).?