How do ratio tables help when making predictions?

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

Yo need asap pls ! markin da brainiest too !

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?