Metaphor
1. A friend is

2. Friendship is​

1. A friend is someone you can talk to if you have problems, and always there if you need help.

2. Friendship is something that only makes you happy. It makes you realize that that person, whoever he/she is, you are so lucky to have him/her.

i am not sure if this is the correct story but i think the answerr is when twain's confidence when he asked twin a question

explanation:

in my opinion, ap calculus was the most difficult. i often struggled with it a lot. however, i have gotten a lot better.