Find the nth term of -5,-2,3,10,19

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?

What is 32+4 x (16 x 1/2) -2 show your work}

What is 20+(5 x 2/5 )+ 3 show your work