what transformations are represented by the following coordinate graphing? (geometry)

(a, b) --> (a,-b)

(a, b) --> (a, b+5)

(a, b) --> (b,-a)

Abcd is a square. what is the measure of angle bac

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?

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?