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.
Multiplication bc... do you know all I know is its multiplication
Answer:
option a) 30 : 19
Step-by-step explanation:

<em><u>Ratio of length to width:</u></em>
<em><u></u></em>

2x+3x+2=-4(cause y=3x+2)
5x=-6
x=-6/5
f(-6/5)=-8/5
negative 6 over 5
Answer:
29
Step-by-step explanation:
30 - (2 - 4) ÷ (-2)
= 30 - (-2) ÷ (-2)
= 30 - 1
= 29