Geometry math question no guessing and show work

Cass decided to sell game programs for the hockey game. the printing cost was over 20 cents per program with a selling price of 50 cents each. cass sold all but 50 of the programs, and made a profit of $65. how many programs were printed? letting p represent the number of programs printed, set up an equation that describes this situation. then solve your equation for p.

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

Can somebody 1. what is the formula for finding the vertical distance between two points on a coordinate plane?