What is most likely true about the play times of these two crank radio brands after 30 cranks?

Secure Hike Emergency Radio 4.0 (minutes):

Angle mno is s rotated 180 degrees counterclockwise about the origin to form angle m’n’o’. which statement shows the measure of angle m’n’o’?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?