F(x) =x^2+6x and g(x)=7-x find (f-g)(x) and (f-g)(9)

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost

Peyton's field hockey team wins 4 games out of every 7 games played. her team lost 9 games. how many games did peyton's team play?