The phrase <em>the antique fire truck </em>is used as a complete subject, because you are including all of these words to form a subject, so it cannot be a simple one (just one word). It isn't a compound subject either, because that would be two or more words connected with a conjunction <em>and, </em>or some other one.
typically you would need between two to five main points. If you have only one point in your speech that would be listed as too short -
hope this helped you, good luck in your future studies :)
-a
B. it is b because you could separate them such as: I smelled something. And I went down to the kitchen
I had uploaded the answer on the image.(I couldn't submit the answer as it was showing an error.
Dear (insert name),
I would like to invite you to my birthday party on (insert date) at (insert time). It will be held at (insert location). If you could RSVP at this number (insert number). I hope to see you there
Your Friend,
(insert name)