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Which equation represents a circle with a center at (–3, –5) and a radius of 6 units? (x – 3)2 + (y – 5)2 = 6 (x – 3)2 + (y – 5)2 = 36 (x + 3)2 + (y + 5)2 = 6 (x + 3)2 + (y + 5)2 = 36

Which of the following is an example of a rational number? a. π b. √ 9 c. √ 8 d. 3.8362319

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122