The equipment belong's to the tennis team.
Simile. It's comparing using the word like.
Symbols used for symbolism by giving them symbolic meanings different from their literary sense.
You'll want to leave it out. if it isn't conducive to the content of your paper, it's more like a distraction from what you're trying to say. parentheses might be a "safe" way to signify a side topic, but it weakens the paper as a general statement because the reader has to pause and take a moment to absorb a new topic before going back to what you were saying
Their are Five senses so the answer is five.