We are trying to find miles/hour, which shows that we are going to be dividing the total number of miles by the total number of hours. Thus, in this case, the miles/hour rate will be:

He drove 40 miles in one hour.
Answer:
y = 50x + 25
Step-by-step explanation:
y = mx + b
I know B is true, but i’m unsure for the other choices.
Answer:
620
Step-by-step explanation:
55800/90
Answer: -60
Step-by-step explanation:
5 - 1/3x = -15
-1/3x = -20
(-3/1)-1/3x=-20(-3/1)
x = -60