Verified Answer :

For number 1 ↓
A) Cards increase the score by 8 points  → 
5 + 3; 4 + 4
B)Cards decreased the score by 9 points→ -29 + 20; -2 +-7
C) Removing cards that increase the score by 10 points → -4 + -6 & -5 + -5 
D.  Positive cards that decrease the score by 18 points. → Well since their aren't "positive card" that'll decrease the score. It might be negative cards which will decrease the scores

 For number 2 ↓ 
Number of Cards → 5 |  -3  | -4 |  3|

New cards: 5 | -12 | 4 | 3|

5 + -12 + -4 + 3 = -8 

For number 3.↓
12: |-6 | -6| 

8:   |4 | 4
|

So, the numbers of "cards" hand would: -6 | -6 | 2 | 2| 2| 2 | ;  4| 4