Please help :( I don’t u derstand it

Can someone me i’m confused. will give brainliest and a whole bunch of points

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

*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