Question

12 what rhetorical strategy does vonnegut use to persuade the administrator?
emotional appeal
anecdote
logical reasoning and ethos
humor

Explanation:

Kurt Vonnegut often uses a combination of logical reasoning to present his arguments and ethos to establish his credibility as a writer and thinker when trying to persuade. Emotional appeal, anecdote, and humor can be present in his work, but his persuasive efforts often hinge on logical - based arguments and his established ethical standing.

Answer:

Logical reasoning and ethos