May I please receive help?

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Find the value of x for which line a is parallel to line b

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?