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Find the lowest perfect squared number that is divisible by 12 18 20 and 24? A plastic block displaces 9.9 mls of water and has a mass of 12.4 grams. Will the block float in water and why? Water level in a tank with base radius of 5 feet rising at a rate of 3 inches per hour. What rate in cubic feet per hour is water entering? F(x)=x^3-12x. Find global max and min over (0,3),(-3,0) and (-1,1). Please help? Contribution of Euclid to number system?