when you have a online test and or lesson press ctrl+u on your keyboard it will open a tab that tab will have the questions and at the end of the question it will have the letter of the answer
I spent some time as a computer programmer, checking software for an online testing company. I noticed that if you hovered over the answer blank, the solution would often appear in the status bar, like most url's do. I quickly informed them of this easy hack for the wily student.
So, they also must have had the answer hidden in the page source. You'd think they'd at least encrypt it a little...