paved walkway around a garden has an outer diameter of 80 ft and an inner diameter of 40 ft. A diagram is shown below.What is the approximate area of the paved walkway?

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A: Note: As per our guidelines, we can solve the first question. Please repost the remaining questions.

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A: FINAL ANSWER: The value of P(t) is:  P(t)=1+3.04e−0.4t2300​  Thank You Explanation:STEP−1 Use the…