The length of a cube is three times

You’ve studied all the content, you’ve done hundreds of problems, you’ve taken practice test after practice test.  And now, it’s GMAT game day.  You’re following all the logistics tips: you got enough sleep last night, you’ve shown up early, you haven’t eaten anything funny, you plan to take the breaks while giving yourself enough time to check back in with the proctors.  But what about actually taking the test?  What do you have to remember while you’re in the thick of battle?

Here are