Answer:
the leanth of the track is 1/2 miles long.
Step-by-step explanation:
Im sorry that i couldn't complete all the questions, I had a family thing to go to so sorry.
The function best models the linear relationship is y=12,000x+40,000.
Answer:
1.5 hours to 525 km
Speed in km/h=

Step-by-step explanation:
XD