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I'm not sure where to start with this Calculus question, I don't understand where the a and b value will come from? I need this mathematics solution.? 8 unit squares are arranged to form a polygon. How many units are in the minimum perimeter of such a polygon? How much water does it take to fill a 2 inch diameter pipe 12 inches long? Please help me with this Chemistry problem below ASAP!!!!!!! Show me step by step how to get the answers for this problem!?