what expression equevalent to-3(-x+12)

How many lines can be drawn through points j and k? 0 1 2 3

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?

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me