- How long will the Bali volcano keep spewing ash?

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How many crewmen on a submarine? What is the largest remainder you can have when dividing by 3 in base five? Why? F(x, y) = sin(2y/x) and u is unit vector in direction (1, 2).? A 500 mL sample of water is found to contain 0.02 g of Pb. What is the concentration of Pb in the solution? A set of values has a mean of 250 and a standard deviation of 50. What value has a z-score of -2.4?