Select the correct answer. Which equation represents the vertical line passing through (1.-9) O A. x = -9 B. X = 1 Oc y=-9 OD. y=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?  

What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)

Aline passes through 3,7 and 6,9 what equation represents the line