What is the sum of the polynomials? (-x2 + 9) + (-3x2 – 11x + 4)
0-4x2 - 2x + 4
0 -4x2 - 11x + 13
O 2x2 + 20x + 4
O 2x2 + 11x +

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

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?