Calculate the average a) 3 and 43 b) −7.5 and 7.5 c) −8 and 7 do at least one !

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.

Need on this one asap im almost done with this subject

If a is a nonzero real number then the reciprocal of a is