Answer:
I am sorry
Step-by-step explanation:
The spread of oil leaking from a tanker is in the shape of a circle. If the radius of the spread after t hours is r(t)=200^t, find the area of the oil slick as a function of time.
4r- 21
4 - r= r and r+ 21/= R21 and Simplified Is -4 and R21
Answer: x=7 or x=-7
x(x+7)(x-7)=0
Answers is C
Step by step solution is attached