What is the distance between points (8, 11) and (8, −2) on a coordinate plane?

What is the value of the expression below? (81^2)^1/8

Standard deviation of 19,29,21,22,23

*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