Is the first one proportional or nonproportional. and is the fist one proportional or nonproportional.

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?

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?