Please help! I can't figure out the rule :(

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.

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Solve the system of equations. y= 2x y= x^2 - 15