Nope. That is considered a fragment.
The subject is present: A bushy, overgrown hedge [located] along the fence.
This can't be complete, however, because there is no verb and such to explain much else.
A complete sentence could be "A busy, overgrown hedge along the fence caught my attention."
*caught is a verb.
You tell me I can barely see it
The correct answer is letter c. Buck represents some characteristic of humanity. If you consider The Call of the Wild to be an allegory, the statement "<span>Buck represents some characteristic of humanity" represents a True statement.</span>
Well, most slang words that have been used for a long period of time have been added to the dictionary, but then again, some other slang words have not. So, it really depends on the word.
But, for a straightforward answer i would say yes, just because some slang words are in the dictionary.
~Hope this helped