Can somone explain?
what value from the set {4, 5, 6, 7, 8} makes the equation 8x + 1 = 57 true? show your work

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12