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URGENT PHYSICS HELP? How many grams of oxygen are required to react with 0.129 mole lead(II) sulfide? What are the possible values for d (vertex is on the x-axis)
f(x) = x2 + 5dx − d2 + 1? Does a Higgs field actually exist? Determine the coordinates of the points of intersection of the line y=x+11 and the curve y=x^2+10x+19?