List the distinct flight numbers of all flights from Seattle to Atlanta by Delta Air Lines Inc. on Tuesdays. Also notice that, in the database, the city names include the state. So Seattle appears as Seattle WA. Please use the flight_num column in the output instead of fid. Name the output column flight_num. [Hint: Output relation cardinality: 16 rows]

In the context of the box model, what is the difference between a margin and a padding? a. a padding lies outside a box border, while a margin lies inside it. b. a padding lies inside a box border, while a margin lies outside it. c. a padding can be adjusted independently, while a margin depends on the size of its box. d. a padding depends on the size of its box, while a margin can be adjusted independently.