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How much would $900 in 1974 be equal to today? If water has a [H+] =1x10^-7 M,how is it possible to, by adding a base to the water to decrease This concentration.(In terms of equilibrium)? How to solve 3x + 1 + ∛(x+1) + ∛(x+1)^2 = 0? A pyramid with a square base has a volume of 60 cubic meters and a height of 2 meters. Find the side length of the square base. Show work.? If I build my pcb with 3 oz copper how thick should my pcb be?.?