Answer:
I agree with the statement "In order to have good friends, you have to be a good friend", because if I want respect and kindness from someone, I assume that person would want respect and kindness from me. You have to treat people, how you would want to be treated, so if you want to have a good friend, you need to expect that they want the same. Being good towards others, and giving them respect, makes other people respect you, and be kind towards you. This saying reminds of another quote "Don't give an inch and expect a mile."
Explanation:
The sentence should be "The cake smells sweet." or "The cake is smelling sweet." The sentence is missing punctuation and capitalizing the beginning letter in the sentence. I would also prefer the first sentence as it has more consistency.
Grover proves that he is a real friend to Percy. For example, during the battle between Percy and Ares, Grover supports Percy throughout the conflict.
I'm sorry I only have the answer for the first question. I hope this helped you enough though
What is the question here?