Please help me solve this question

Renita analyzed two dot plots showing the snowfall during the winter months for city a and for city b. she found that the median snowfall is 5 inches less in city a than in city b. the mean snowfall is about 2 inches less in city a than in city b. which explains why there is a difference in the measures of center for the sets of data?

When the ball has traveled a distance of

Iwill give ! if m∠a=59 and m∠3=81°, what is m∠b? m∠b= _[blank]_°