Find the center and the radius of the circle.x2 + y2 + 16x - 8y + 16 = 0
A. (8, -4), r = 64
B. (-4, 8), r = 64
C. (4, -8), r = 8
D. (-8, 4), r = 8
Answer: D
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Find the base 10 logarithm of the given number.The probability of winning the state lottery is only 4/106.
A. -2 B. -5.40 C. -12.43 D. -8.97
Use unit ratios or conversion factors to change to the units indicated. Round to the nearest tenth, if necessary.50 ft to meters
A. 164.0 m B. 15.0 m C. 45.5 m D. 16.7 m
The graph below shows the number of students enrolled in various courses at State University in spring 2000. Each bar represents a different course, and the height of the bar represents the number of students enrolled. Use the graph to answer the question.
For which courses was enrollment less than 75?
A. Algebra and Philosophy B. Art, Algebra, History, and Philosophy C. Art, Algebra, and Philosophy D. Art and Philosophy
If a is a real number, find the domain of the function 
.
?
A. ?
B. ?
C. ?
D. 
E. ?