Consider the quadratic function: f(x) = x2 – 8x – 9

Vertex: (StartFraction negative b Over 2 a EndFraction, f (StartFraction negative b Over 2 a))

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?

Peyton's field hockey team wins 4 games out of every 7 games played. her team lost 9 games. how many games did peyton's team play?

Five infinity stones cost $16.80. what is the price per infinity stone ?