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Can someone help with part c of this math problem? We used to measure temperature in degrees centigrade. Now we call it celcius, why the change? I just wanted to know, since blood smells like copper, would boiling a bunch of pennies in water also make it smell like blood? Not to drink? Can every first order linear equation that is in general form be rewritten in standard form?(Differential Equation)? What is 1/2 ^ 4?