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Que es típico de accra ghana? Does a change in frequency of AC supply affect the voltage? If H-1(x) is the inverse of H(x), what is the value of H-1(H(x))? (3x-2)(x+4)=3x^2+10x-8
are (3x-2) and (x+4) called the "roots" or "factors"? How do you match DNA to a person? How do they track down that person?