Answer:
The correct options are;
Be more formal than you would with most coworkers
Be clear, focused, and brief
Step-by-step explanation:
When writing or speaking to supervisors, we make use of formal writing and speaking language that is concise, exact, void of repetition, concrete, and well structured and careful placement of adjectives being careful to make use of positive and more mindful analysis such as "evidence suggest" instead of "proof" or "less convincing" in place of "wrong" and avoid exaggerations.