Answer:
13
Step-by-step explanation:
b= 3
3x3= 9
9+4= 13
3x3+4=13
Hope this helps
Answer:
uhm.....what?
Step-by-step explanation:
It can either be equivalent to 11 or 18.
Answer:
Equivalent ratios
20 = 40 = 60 = 80 and so on....
15 = 30 = 45 = 60 and so on.....
Both include 60
