Can some help with these riddles from the hobbit

I come from under the hill

under the hills and over the hills my paths led

and through the air

I am he that walks unseen

I am the clue-finder

the web cutter

the stinging fly

Messalla frowns at the wide circular cover, for a moment returning to his own fussy world.

[he] let his gaze wander to the swirling water of the stream racing madly beneath his feet. a piece of dancing driftwood caught his attention and his eyes followed it down the current. how slowly it appeared to move! what a sluggish stream! what contrasting words are used to describe the stream in this passage?

Someone answer this asap for an office manger uses the function s(x) to determine the number of shirts the company can make when the employees work for a total of x hours. when the employees have worked for a total of 300 hours, they produces 500 shirts. which equation correctly represents the company’s production of shirts? a. s(300) = 500 b. s(300) = 800 c. s(500) = 300 d. s(500) = 800