<p>I signed up to take the Math IIC and Physics on Saturday, but I'm pretty sure I'll only be prepared for 1 of them. Is it possible to change just one out of the two tests to November? I looked at it a bit on the collegeboard website, and the change test date thingy gave me the option to change the physics to november, but it wasn't very clear whether or not the Math IIC for October would be canceled.</p>