Answer:
Slope is 3/-7
Step-by-step explanation:

Answer:
WRONG ALL
Step-by-step explanation:
3. Should be:

4. Should be:

I hope this helps you :)
Answer:
150 minutes
Step-by-step explanation:
1 hour is 60 minute, 2 hours are 120 minutes. You have also one half of hour, which is 30 minutes.
2.5hrs = 60 + 60 + 30 = 150 minutes