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What is the molality of a solution contains 15 grams of solute is 500 grams of solvent? What is a good website for maths word problem for kindergarten students? What is an easier way to prove which of the following are equal? Not good with formula and math what would be the correct answer? For the parent function y=√x the effect of a = 2 and h = -2 is the graph is stretched by a factor of |2| and moves 2 units to the left?