Answer:
I'm not entirely sure but I got:

Answer:
The answer is c=15.
Step-by-step explanation:
.......
Step-by-step explanation:
s=12km t=15m
15m--> km= 15/60= 0,25h
V=s/t
V=12km/0,25h
V= 48 km/h
Answer: Tracking is the practice of putting students into specific curriculum groups based on their test scores and other factors.