What is the solution of the following system? -2x-y=1 -4x-2y=-1 a) infinitely many solutions b) no solutions c) (3,8) d) (-3,-8)

9/10 divide by -3/15 as a mixed number

What is the area of a triangle with vertices at (-3 3) (-3,2) and (1,2)?

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?