Answer:
The answer would be D or 8 bc 8x1=8 8x2=16 and that would be the GCF.
Step-by-step explanation:
Answer:

Step-by-step explanation:
With every number following, you just keep subtracting 4 from the previous number
Answer:
No they are not proportional
Step-by-step explanation:
They arent proportional because if they were on a graph they wouldnt have a straight line ... I'm in wrong lmk