Which sentence uses hyphens correctly? a. in mid august, temperatures in the pecan bayou area regularly reach 105-degrees. b. in mid august, temperatures in the pecan bayou-area regularly reach 105 degrees. c. in mid-august, temperatures in the pecan bayou area regularly reach 105 degrees.

the first step is to convey the appropriate emotions.

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.