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How many different groups of 4 problems can be chosen from the 10 problems? Where are the emeralds in untold stories 4: corona trials? 1. When stimulating the sciatic nerve, what happens to the number of fibers producing action potentials as you increased the voltage? How do you find the discriminant of the equation, 3x^2-xsqrt{7}-3=0? What is the mass of 4.80*10^22 molecules of methane gas
CH4?