Answer:
Step-by-step explanation:
Answer:
The required expression is
Step-by-step explanation:
Difference of two minus three = 2-3
Quotient of b divided by the difference of two minus three is
Therefore, the required expression is

Answer:
4.472135955
Step-by-step explanation:
I used a Calculator

Answer:
The First one
Step-by-step explanation:
Answer:
It is proportional because is it decreases 2 degrees ever half hour we know it would decrease 4 degrees every hour so the unit rate would be 4
Step-by-step explanation:
60/4=15=Dur8ng the time of 15 hours 60 degrees would have been decreased