jamickez

1. Общност
2. Study Group

Hello Everyone. I am totally messed up with understandings of vectors. There is a rule: To find the magnitude (length) of a vector you cannot simply add the lengths of the other two vectors. Resolv...

1. Общност
2. SAT Questions and Feedback

There are 8 practice tests in Khan Academy web site. There are 8 practice tests in College Board web site, as well. My question is are these tests the same or the ones in Khan Academy web site are ...