Given that 1/5<1/y<1/3, find all possible values of each expression. 5-2y

If square root x = -7, then x= -49 true or false

What percent of the circle below is shaded?

*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