Answer this question its urgent .. if alpha and beta are zeros of the quadratic equation x^2 - 5 x + 6 find the value of 1/alpha +1/beta -2alpha*beta

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?

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

The curved part of the figure is the semicircle what is the best approximation for the area of this figure