Find a parametric equation for the line through the point (-4,9,2) and perpendicular to the plane 7x+5y+5z=12 which is written using the coordinates of the given point and the coefficients of x, y, and z in the given equation of the plane.

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?