Find the center and the radius of the circle.x2 + (y + 3)2 = 9
A. (0, 3), r = 3
B. (-3, 0), r = 9
C. (0, -3), r = 3
D. (3, 0), r = 9
Answer: C
Mathematics
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Find the center and radius of the circle.x2 + y2 - 2x + 6y + 10 = 81
A. (-3, 1), r = 9 B. (-1, 3), r = 81 C. (1, -3), r = 9 D. (3, -1), r = 81
Mathematics
Solve the problem.The population of a particular species of insect was 10,000 in 1960. In 1980, there were 1600 fewer, and this year, there are 3400 fewer. What is the current population?
A. 11,800 insects B. 5000 insects C. 8200 insects D. 15,000 insects
Mathematics
Complete.540 min = hr
A. 22 B. 4 C. 216 D. 9
Mathematics
Provide an appropriate response. Evaluate with a calculator: log0.1 100,000
A. 5 B. -4 C. 4 D. -5
Mathematics