- Where is Carl Sagan?

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Went through this Calculus problem to find f prime and find x such that f'(x) = 3 but i'm not sure if I've went through the steps correctly? Can I get help with the properties of the periodic table lab? How were DNA/RNA first created? They only bond in one direction not in random ways like evolutionary theory would suppose.? WHAT IS THE GPM OF Model # HCG2VS5 GLACIER BAY WATER FILTER SYSTEM? There are 1.110x10^20 atoms of O in an unknown sample of Mg(NO3)2, how many milligrams would the unknown sample weigh?