If you are writing an essay and it has to be a certain amount of sentences, do the sentences in the paragraph count as a sentence?

In 250-300 words, explain how the theme of social justice is explored in the novel. {to kill a mockingbird}

How does the yellow fever altered history

Ill she not be here anon? is she not hurrying to upbraid me for my haste? have i not heard her footstep on the stair? do i not distinguish that heavy and horrible beating of her heart? what is the effect of parallelism in this excerpt? it emphasizes usher’s misunderstanding. it emphasizes usher’s love for his sister. it emphasizes usher’s psychological fixation. it emphasizes usher’s melancholy nature.