Tolerating ambiguity means ) accepting more uncertainty than usual

The brother of a presidential candidate writes an editorial in which he defends this candidate against charges of corruption. in such a circumstance, it is most appropriate for the reader to a) suspect that the candidate may have been framed. b) consider whether the candidate has the best family or not. c) wonder if the writer may be biased, due to his family connection. d) wonder if the writer may be inaccurate, due to wanting to get people to read his column. \

Find the center and the radius of the circle with the equation: x^-2x+y^2+4y+1=0

What is your interpretation of “the story of my experiments with turth”?