Answer:
The purpose of your paper is the reason you are writing your paper (convince, inform, instruct, analyze, review, etc). The audience of your paper are those who will read what you write.
Explanation:
When you communicate, your purpose is not what you want to do; instead, it is what you want your audience to do as a result of reading what you wrote or listening to what you said. Thus, it involves the audience.
The answer is D: The band trip is almost full, so if the color guard members want to go, they will need to sign up soon.
Their is no man in the bake sale sentence. Hence, him. Same for the other sentences.
A, his first step on the moon's surface