A seagull’s elevation is 14 feet above sea level. A shark is swimming 56 feet below sea level. Which expression correctly models the difference in elevation between the seagull and the shark?

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?