Graph the system of inequalities.(x + 2)2 + (y - 4)2 ? 9 (x - 2)2 + (y - 4)2 ? 9
A. 
B. 
C. 
D. 
Answer: B
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Estimate the derivative of the function 
at the point 
.
?
Please round your answer to the nearest hundredth.
Fill in the blank(s) with the appropriate word(s).
Find the missing parts of the triangle. 
If necessary, round angles to the nearest degree and give exact values of side lengths.
A. no such triangle
B. B = 60°, C = 90°, b = 8
C. B = 60°, C = 90°, b = 8
D. B = 90°, C = 60°, b = 8
In order to determine the effects of a new pill that is supposed to reduce hair loss, a researcher conducts a study. Five hundred volunteer subjects (300 men and 200 women) all of which suffer some degree of hair loss are selected to participate in the study. The researcher gives the women the real pill and the men a sugar pill, but only the researcher knows this.In the experiment, which is the placebo group?
A. the 200 women B. the 300 men C. the subjects that responded to the treatment D. There is no placebo group. E. none of these
Solve.b + 11 = 16
A. 27 B. -27 C. -5 D. 5