Answer:
At participation and performance in rigorous high school courses among California high school students, both overall and across demographic and racial/ethnic groups. While enrollment in rigorous courses has been increasing, particularly among students who are traditionally underrepresented in higher education. Here's my answer that I would put! =)
The correct answers would be "using contractions, slang terms, and colloquial expressions" and "using expressive punctuation". This way the writer brings the topic closer to the reader by making it "sound more like conversation". If you use "formal rules of grammar", it does not sound like a conversation, and "underlining words for emphasis" only draws your attention to those words. Mentioning your friend in the letter doesn't really affect anything.
Situational irony because it's the situation.
Answer:
To bend you change the shape but when you break you split it in half or tear it. For example you can bend foil or a gum wrapper and its shape changes, but you can rip or tear the foil or gum wrapper breaking it.
