Which sentence uses a verb that agrees with its subject? a. the brick in the walls of the bathroom needs repair. b. many buses in the terminal are waiting to depart. c. the aquarium radio with the fish printed on the sides are sarah's favorites. d. the conductor for the morning westbound trains are kind and friendly.

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the sentence that avoid faulty coordination is:

culture, which is well represented in philadelphia, plays a major role including theatre, music, and the visual arts.  

faulty coordination occurs when the writer gives equal importance two different ideas (clauses) which in fact are not equivalent. in order to correct a misplaced clause or idea, the writer can place less important or emphatic ideas in a relative clause as in the previous sentence.