Answer:
The average speed is:

Step-by-step explanation:
The average speed equation is given by:

Were:
- Δx is the displacement (225 miles)
- Δt is the change in time (3 hours)
Then we have:


I hope it helps you!
Answer:
0.0004
Step-by-step explanation:
divide the energy value by 1000
0.4/1000
Can you add a picture if you can in order for me to solve this question.
16 rounded to the nearest number is 20 im not sure if i helped you though