Solve the answer for this! i don't get it

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.

When turned about its axis of rotation, which shape could have created this three-dimensional object?

100 points, hi, i’m not sure how to get the equation from the graph and table.