Approximate 17.850 litres to the nearest 1/2 litre

Write the slope-intercept form of the line that passes through the point (1, 0) and is parallel to x - y = 7. t

Me n o w. i need t h i s. 10 points

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?