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How many milliliters of a stock solution of 12.0 M HNO3 would you have to use to prepare 0.500 L of 0.200 M HNO3? Given f(x)=2x+1/3 find f^-1(x)? The least common multiple of 2 numbers is 60. One of the numbers is 7 less than the other. What are the numbers? What is the answer to -92=29(c–965)+-440? Find the center and radius of the circle defined by the equation x^2+y^2-6x+2y-6=0.?