Semicolon is used when separating 2 closely related independent clauses.
Colon is used when listing things, writing biblical references, between hours and minutes, proportion between 2 numbers, or between 2 clauses related to the first
So we'll write this one as-
Flour Power: A Guide to the Modern Green Kitchen
You're answer's the last choice
1. Because we were late, the teacher cancelled the exam.
2. The teacher cancelled the exam because we were late.
3. I will help you with your assignments, but you will have to pay me to complete them.
4. Completing my exams creates an opportunity for me to have some fun.
5. My teacher was right, the test was fairly easy.
6. I was very excited about going on the ride, however it turned out to be a very boring ride.
7. “I will always be there,” she whispered right there, beside you.
8. Timothy Wilson, the basketball coach, is no longer coaching the team.