9x 2 1 Ays + 12x-3y - 16:0​ whts the equation of ellipse

Select a graph that have an equation with a < 0

Which equation results from adding the equations in this system? x+6y=9 and -x+2y=-15

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?