Answer: 
<u>Step-by-setp explanation:</u>

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Answer:
40%
Step-by-step explanation:
i used a calculator
You have to complete the square. When you do this you get an equation that looks like this: (x-3)^2 + (y+4)^2 = 4. So your center is (3, -4) and your radius is 2. That looks like B to me!!!
Answer: 3,969
Step-by-step explanation:
multiply 140x28.35
The answer is 9.53939201417