Dear Fayed,

Your score in Exam 2 is 53 out of 100

Everything was right except

#1: wrong way, wrong ans.: -10 points

#2: right way, wrong ans.: -5 points

#4: wrong ans, wrong way: -10 points

#5: partially right, but you integrated over the whole
sphere, not the part x,y,z>0: -5 points

#9: wrong ans, wrong way, wrong type: -10 points

#10: started on the right track, but did not finish: 
-7 points

Best wishes,

  Dr. Z.