In how many ways can 2 letters be chosen from {B, C,D, E,F, G}

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.

What percent of the circle below is shaded?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)