ANSWERS
Partial Fractions codebreaker: 3, 2, 2, -1, 1/2, 3/2 giving the word ATTIRE
Complex numbers matching pairs: 1 and 20, 2 and 16, 3 and 27, 4 and 15, 5 and 21, 6 and 28, 7 and 22, 8 and 18, 9 and 26, 10 and 19, 11 and 25, 12 and 17, 13 and24, 14 and 23