Answer:
You need to add more context to the question. I cannot answer it without knowing what "These scales" are.
Answer:
28
Step-by-step explanation:
4,8,12,16,20,24,28. +4 every time
Use--> m=y2-y1/x2-x1
10. (0,-1), (2,3)
3--1=4/2-0=2
4/2=2
11. 7/10
12. -1/3
X - 18
Since there were x number of poeple at Friday's game and there were 18 less fans at Saturday's game, you subtract 18 from the number of people during Friday's game which is x. The word "less" indicates subtraction.