What is the are of the triangle below? ?

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

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?  

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5