男人- 吮吸鸡巴与杰克钢，topher di maggio

All right, so I'm gonna write out a few equations that we have to go over here

since we have a problem system.

And then you're gonna need to solve them for me and then I'm gonna review them.

I need you to really pay attention so that I don't have to go over this twice and

then we only have an hour.