You can express the fraction <span>3/8 as a decimal</span><span> by division.Divide 8 into 3 and you get 0.375.</span>
The answer to this would be option B. This is the only sentence that uses an introductory word to the noun clause that is used as an adverb. If you will notice, the noun clause here is "when the flagpole was painted". And this noun clause modifies the verb "know". Hope this helps.
I don't get what they mean by functions either, but it functions by, uhhhh, idk