Mathmatic is what most people ask questions about, but the best for this site is math or English. Hope this helped.
I would rather look at a frequency table because the exact numbers would be shown and it could tell you by how much and how frequently they’re increasing . A bar graph could do the same , but sometimes they could be grouped so it wouldn’t tell you the exact number .
Answer:
48
Step-by-step explanation:
9,18
6,12,18,24,30
18 + 30 = 48
