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Math Question: Find the positive integer solution(s) to x^n + y^n = z^n for n>2. (Fermat's Theorem)

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What is the result of adding the vector (7, -3) to the vector (-4, 9)?

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In an economy with C= 10+0.8 Yd ; I= 20+0.1Y ; G= 100 ; X= 20 ; M=10+0.2Y ; T=-10+0.2Y and R= 10, when knew that Yd= Y-T+R. How much is the budget? A. -23.18 B. -28.13 C. -13.28 D. -32.18

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