the rates of change will be 210. if the change is after 8 hours than the rate of change will be 105
Answer:
21.25ft
Step-by-step explanation:
To solve for this, all you need to do is find a ratio proportional to the given. The given shows the following ratios:

All you need to do is solve for x. You can do this by first cross multiplying:

Answer:
sorry I don't know please forgive because I can't copy the question
-7 is 7 and - 9 would be 9