Solve the system of equations (only real solutions) by the elimination method. Check your solutions.

A. {(2, 0), (-2, 0)}
B. {(2, 0), (-2, 0), (2, -6), (-2, 6)}
C. {(0, 2), (0, -2), (2, -6), (-2, 6)}
D. {(2, -6), (-2, 6)}

Answer: B

Mathematics

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Solve the application and answer with a complete sentence. Round to the nearest tenth of a percent if necessary.The price of a shirt was reduced from $92.20 to $62.23. What was the percent change in price of the shirt?

A. There was a 3.25% increase in price. B. There was a 33.5% decrease in price. C. There was a 32.5% decrease in price. D. There was a 34.5% decrease in price.

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Mathematics

Find the absolute maximum and minimum values of the function on the given curve.Function: curve: (Use the parametric equations

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A. Absolute maximum: 200 at    absolute minimum: 98 at
B. Absolute maximum: 100 at    absolute minimum: 49 at
C. Absolute maximum: 100 at    absolute minimum: 98 at
D. Absolute maximum: 200 at    absolute minimum: 49 at