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Hi Eugenio, Your situation is definitely unique. However, I dont think you really have to rush with GRE exams. I took the exam in february and applied and got accepted into fall semester. Start preparing from now and prepare for 3months. Umm, I am making verbal and quantitative videos and am posting in this forum. Look at my posts, find my videos and go through them one by one. They are just like class tutorials, and they will really help you. If you have some more questions, lemme know. We can skype chat. I want to help as much as I can since I know GRE can be tricky. BTW, I am an international graduate from India, I prepared for 3months and took the GRE only once, scoring 157 in verbal and 161 in quantitative. Those kind of sores are more than enough to get admitted in any school.

Hi Sayrah, yes the answer is D. Because, a and b could be (3 and 4) or (-3 and -4). Because, since square of (a+b) is 49, (a+b) could be 7 or -7. (3+4) is 7 and (-3) + (-4) is -7. Lemme know if it's clear to you. I am actually making some GRE tutorial videos and I created a thread. I will be making some videos for GRE quantitative part, soon :)