Dear Quin,

 Please consult

https://sites.math.rutgers.edu/~zeilberg/Hist21/mt1S.pdf

for the full solutions.

You got 113 points (out of 120).

Here is what you got wrong:

#3: -5 points (premature replacement by x^3, yielding to the wrong answer)

#8: -2 points (Thaler was the father)




 Best wishes,

   Dr. Z.