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What should astronomers keep in mind when using keck observatory? I have a white blood cell count of 25,450 on any given day...why? Doctors can t even tell me why with exams. Any ideas? 4.50-g copper at 25.0 °C is heated by 145 J of energy. Final temperature of the copper is - °C. The heat capacity of copper is 0.38 J/g-K.? Does any one know how to get an equation using factorials and exponents for numbers 1-25 using only 1234 ? Find a,m,b for f(x)=3 when x=0, f(x)= -x^2+3x+a when 0