I need some help on cod plz

Correct answer brainliest asap an d 99 pointsss what are relative frequencies to the nearest hundredth of the columns of two way table column a 102, 18 colunm b 34, 14 answers choices 0.15 0.25 0.29 0.44 0.56 0.71 0.75 0.85

Ineed me i stuck and i don’t want to get it wrong

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?