super helpful. moreso then staring at my book and having no clue what to do in th geometry section <_< (my weakness)

you're amazing!@ I'm taking the sat tomorrow. you definitely helped.

You are so awesome! not even kidding! you've helped me alot. I was wondering, can you do crit reading passages too? Like read it with us and show us your process of elimation and what is going through you head while reading and answering the wuestions? thanks!

You're welcome, ajcosta305!

Brother, just want so say thanks. You have been very helpful. Obrigado mesmo!!!! Graças ao inglês da para aprender um pouco de matemática com alguem que realmente sabe do que esta falando... :-) Alex(From Brazil)

Just want to say thanks again Jack. You have been an invaluable resource.

*Laughs.* You're so adorable and cute!! Thank you so much for doing all of this :)

That's really great to hear, lelv89. Congrats!

Hey, I thought I'd let you know that because of your videos I did well enough on my SAT , so I've been accepted to Reed college plus I'm getting financial aid !, I bet I'll be the first Venezuelan going there =)

Thanks!

:P good luck