Step-by-step explanation:

Answer:
a = 112
Step-by-step explanation:

Given that,
s = 7
b = 13
c = (-24)
Let's solve for a now.





Hope this helps you.
Let me know if you have any other questions :-)
Answer:
100 meters 20/5=100
Not sure about the second one
hope this helps
Step-by-step explanation:
Answer:
b = 24c
Step-by-step explanation:
Answer:
6 hours
Step-by-step explanation: