Evaluate -2 3/4 - 1/8

*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

:)i need to know on which ones are corresponding, alternate interior, alternate exterior, or none of these.

Pleas ! its urgent! what is the value of x? enter your answer in the box. mm