PLZ ANSWER!!!!!!!!!!! WILL MARK BRAINLIEST!!!!!!!!!!!!!!!!!

Answer:
7. 10x = y
8. 140
60
9. 10
17.5
10. ? (I'm sorry but I don't understand this one)
11. ? (I'm sorry but I don't understand this one)
12. month/value
0/0
1/10
2/20
3/30
4/40
Step-by-step explanation:
7. 10x = y
8. 140
60
9. 10x/10 = 100/10
10 = x (months)
10x/10 = 175/10
17.5 = x (months)
10. ?
11. ?
12. month/value
0/0
1/10
2/20
3/30
4/40