IfA = -3n+ 2 and B = 5n - 7, what is the value of A 7, what is the value of A – B, in simplest form?

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?

Me because some of question i don’t understand

You can find the constant of proportionality by finding the ratio of