Step-by-step explanation:
i don't understand the ques
You first convert the 2 minutes and 30 seconds to 150 seconds.
Then, you take the 150s÷5m to get the number of seconds per mile.
The answer is 30s/m
(x+3)-2 that is your answer I know because I'm great at this unit
Answer:
2n-9
Step-by-step explanation: