At which stage of defining requirements are tools for analyzing strengths, weaknesses, opportunities, and threats useful?

Interview and observe staff

Explanation:

At the interview and observe staff stage of defining requirements, the tools for analyzing strengths, weaknesses, opportunities, and threats are useful.

It should be noted that the strengths, weaknesses, opportunities, and threats which is usually referred to as SWOT analysis is simply a framework used to assessing potential and also developing strategies that'll be useful to tackle a specific problem.

the correct answer option is b. a single paragraph.

explanation:

when you are thinking about paragraph​ topics, you should always choose a subject that can be adequately addressed in a single paragraph.

a paragraph is a piece of writing consisting of a few sentences that deal with a single theme. it has only a single idea that the paragraph revolves around and talks about.

so a paragraph topic must be chosen wisely where a single idea can be communicated in a single paragraph.