Answer:
It is a run on sentence.
Explanation:
It should be "Mr. Blakely knew Seth made a bad decision. He told him so." since there's no period to differentiate between the transition, it is a run-on sentence.
I think its the audience laughed
Ugh, I loooooove Blink 182!! Lets work together on this. For the intro, we know that our starter sentence needs to be a Hook, or something that will grab the reader's attention. So think of a small factoid or question to ask/tell the reader.
I can continue to help you out in the comments :)