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Re arrange one of the equation to get a single variant answer. So, x = 12 - 3y. Substitute this into the other equation, so 3 (12-3y) + y = 8. Expand this equation to form 36 - 9y + y = 8. Collect the y t...

Your oral presentation will only last two minutes but it is important to consider the longer general conversation you will have after this. When considering options for your oral presentation, it is impor...

=(x+4)(x²+6x+5x+30)=(x+4)(x²+11x+30)=x³+11x²+30x+4x²+44x+120=x³+15x²+74x+120

Well this depends whether you require the moles of gas, solid or solution as to which equation you use, moles relate the mass of the atom of interest to that of the number of atoms in 12 grams of carbon-1...

The President is granted the role as commander in chief with the ability to control foreign policy in the way that he wants. Despite this power, recent and past attempts by Congress have aimed to roll bac...