What is the vertex form of the equation? explain stepsy=-x^2+12-4

Which answer is it for it to be simplified completely?

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.

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250