Step-by-step explanation:

Answer:

Step-by-step explanation:
The radius, r of the expanding circle of oil is modeled by the function:
, where s is time in seconds.
When s=5
Radius 
Area of a circle 
Therefore, the area of the oil spill when s=5 seconds

The area of the spill when s=5 seconds is 45pi square inches.
I’m not really sure I’m just gonna comment cuz I need to answer other ppl