Can someone pls help me with this it's due today!!(you get Brainlist and 10 ponits!)

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.

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

What is x3+3x2−16x−48 divided by x−1?