- Pre-Calculus Help Very Much Needed?

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(3x-2)(x+4)=3x^2+10x-8
are (3x-2) and (x+4) called the "roots" or "factors"? What is the percent yield of carbon dioxide if the reaction of 76.8 g of carbon monoxide produces 87.6 g of carbon dioxide??? How do you match DNA to a person? How do they track down that person? What was the red shift that Hubble first observed on the most remote galaxy? Calculate the volume of 2.00 mol of liquid water at a temperature of 20 ∘C (at which its density is 998 kg/m3).?