The answer is B) They are always focused on a main idea.
Paragraphs are not always indented; it depends on the writing format. They vary in length from short to long. They do not always have a topic sentence; some writers organize their thoughts and paragraphs well without topic sentences.
Hope this helps! :)
Explanation:
is it just (I – 15)2 = 9 that I'm post to solve or the whole thing or are those answer choices
The answer to your question is B i believe