TO WHOEVER HELPS AND GETS IT RIGHT

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1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]

What is the value of n in the equation -1/2(2n+4)+6=-9+4(2n+1)

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room