What parts of hamlet’s soliloquy support a more negative outlook on life?

"..Tis nobler in the mind to suffer"...Is negative as it explains life is suffering one has to be able to tolerate.

"..that makes calamity of so long life..."Again Hamlet feels that a life of misery  is too long to bear.

"..for who would bear the wips and scorns of time..."One is beaten and it is also disdained in this life, while it lasts it is hard.

"To grunt and sweat under a weary life..."A person has to groan in pain after making terrible efforts to live.

"But that the dread of something after death,

The undiscovere'd country, from whose bourn.." In these lines he expresses that death may be worse than living as nobody knows the place.He prefers, may be to live under such distress  than experience the after life.

..."Thus conscience does make cowards of us all..." Being aware of certain facts makes us all fainheart in a way.

With the words stated , it is clear that at the moment of speaking, Hamlet has a very negative outlook on life.

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.  

16.) true

17.) true

18.) no information in the text

19.) false

20.) no information in the text