Answer:
If your answer is linear, I would suggests: 1,2,4 maybe there's another one but I'm confident about those though. Hopefully I helped you with my options.
Step-by-step explanation:
80/100 x 30 = 24 because you just multiply percents
5/8 inches longer since 8/8 - 3/8 = 5/8
Yes it has 2 sets of parallel lines.