What is it called when you write more formally but use a relaxed style?

How is dr. lanyon characterized in the excerpt? as friendly as arrogant as wise as mournful

While in the capitol, peeta proves to be both an advantage and a disadvantage to squad 451. do you think peeta is more beneficial or more detrimental to the squad? why? your response should be four complete sentences or longer.

Look up "racial violence in the early 1960's" and write information about it