Can you guys me with these math problems pls * 15 points*

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?

Its worth 10000000 points need asap if you answer correctly ill mark brainliest

Measures of the angle of r, 31 s (x+4) t (3x+9)