If the ratio of the area of circle a to the area of circle b is 2 : 1, then how many times larger is the circumference of circle a than the circumference of circle b?

Given f(x) = 2x^2- 5x+1, determine the function value f(2). do not f(x) = in your answer

Ineed to know the answer to this algebra question.

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer