Find the center and radius of the circle whose graph is shown. Write the standard form of the equation of the circle.
A. r = 4; (h, k) = (2, 4); (x + 2)2 + (y + 4)2 = 16
B. r = 4; (h, k) = (2, 4); (x - 2)2 + (y - 4)2 = 16
C. r = 2; (h, k) = (2, 4); (x - 2)2 + (y - 4)2 = 4
D. r = 2; (h, k) = (2, 4); (x + 2)2 + (y + 4)2 = 4
Answer: B
Mathematics
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C. 
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Find the mean, median, and mode of the list of numbers.9, 10, 20, 20, 14, 11, 11, 13
A. mean: 13.5; median: 13; mode: 15.5 B. mean: 13.5; median: 12; mode: 11 and 20 C. mean: 9.625; median: 17; no mode D. mean: 12; median: 13.5; no mode
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Divide as indicated.
A. m2 + 2m + 7 B. 7m2 - 2m + 7 C. 7m2 + 2m + 7 D. m2 + 3m + 4
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Convert as indicated.60 in. to feet
A. 180 ft
B. 5 ft
C. 
ft
D. 20 ft
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