B I think but wait for other people to answer
Answer:
Step-by-step explanation:
because you started at 8 and the dots are going down
Answer:
4x and -2x
Step-by-step explanation:
They have 2 of the same variable unlike the others
12.
Start of with simply two times six, which is twelve. Since they're both negatives, they cancel each other out and become positive.
Hope this helps!