This isn't neccessarily true. Your introduction can still make sense without the hook, and the information inside the introduction part should really not directly depend on the hook to explain them, they should either be self explanatory, or you should explain them there.
Hopefully this helps!
Answer:
Ooh this will be so much fun!!! What do you need help with?
Explanation:
The correct answer is B. always.
They are always coplanar if there exists a geometric plane that contains them all, which indeed exists.
Answer:
"The coach's rant after the loss fell on deaf ears as no one paid much attention."
Explanation: