Hey -- best reco for you here is to go and find a good book/online tool that will allow you to reground yourself in the core foundations of math principles. As obvious as this may sound, to get from a 440 to a 700+ is quite aggressive, but you need to figure out how to score a 550 before you can get to a 650, and then you can talk about a 700+. Lack of fundamentals/foundation will prevent any significant improvement.
Question -- Why are you taking it on the 26th? Let's talk/think big picture before you do that.
Best,
-Brian
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Brian Lange
Instructor, Manhattan GMAT
Expert Contributor to Beat The GMAT
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