Is this how to kill a mockingbird?
Either B or C. I think B.
Adjectives and Adverb phrases relate to prepositional phrases because if you remember what an adjective is, it describes a noun and then an adverb i believe can describe a verb, adjective, and other adverbs. Both adjective and adverb phrases contain prepositions, there fore relating them to prepositional phrases.... I hope this is what you were looking for and answered your question... :)
Yes each year they try to do the same amount but end up adding about 10 more things to the original number . I would say your right with 30 assignments for semester so yes!