Can someone help me with 8

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?

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Multiplying an even number of negative numbers gives an answer that is choose from: