Answer:0
Step-by-step explanation:
2 + 5 = 7 - 7 = 0 + 3 = 3 + 9 = 12 - 12 = 0
Answer:A b c a c b c a b b a e all answers trust me and mark me brainest
Train A is moving at a faster rate because the line is steeper.
Hope this helps :)