pls help (links are gonna get reported)

Answer:I believe its 0.
Step-by-step explanation: If you have a 3 and a -3 the answer would be 0, because the -3 would overpower the 3 and 3-3=0 so thats the only reasonable answer. Thanks~
Answer:
B
Step-by-step explanation:
student B has scored - 3
student D has scored 3
combined score = - 3 + 3 = 0 → B