.... The answer is the first sentence of the question? XD 6.
ANSWER

EXPLANATION
We want to find the area of the shaded region.
We find the area of the smaller circle and subtract from the area of the larger circle.
Area of smaller circle is

Area of larger circle is

The area of the shaded region is:

Answer:
1/3 - 1/4 = 1/12.
Step-by-step explanation:
When they are the exact same, like carbon copies
Answer: 6 weeks
Step-by-step explanation: $54 x 6 = $324