A 100% increase would be 18 so you just have to divide until you get the number added so from 9 to 13 is a increase of 4 so that would be around 44.44% repeating.
Answer:
C.),F.),andD.) Are correct
Step-by-step explanation:
Answer: 500
Step-by-step explanation:
it is closest and is under 550. if it were 551 through 599 it would be 600