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What brought about the large scales importations of slaves? Find the length of side x? Is it addictive to use a vape that has 0mg, which is apparently no nicotine? USING BINOMIAL THEOREM PROVE THAT 2^n={summation r=0-n} (-1)^n nCr 3^n-r? Calculate the molar ratio of formic acid (HCOOH)/sodium formate (HCOONa) to prepare a pH-5.50 buffer solution.?