Answer:
17) Staying
18) at
19) is
20)remove going?
21) last?
22) isn't
23) Remove therefore
24) are
I'm positive in the answers without the question marks.
Answer: A dynamic character
"a dynamic character also undergoes changes throughout the narrative, due to conflicts he encounters on his journey. A dynamic character faces trials and tribulations, and takes time to learn from his encounters, his experiences, and his mistakes, as well as from other characters."
- From <u><em>https://literarydevices.net/dynamic-character</em></u>
Simple multiplication:

And

So do you now see how they are the same? :)