Who's the president of Russia?​

Vladimir Putin

Explanation:

Vladimir Putin was on Monday sworn in for a fourth term as president of Russia after winning the election in March. He has been in power for 18 years, whether as president or prime minister.

Vladimir Putin

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.  

a

explanation: