What is the greatest number which can be made using each of the digits 5,3,1,4,7

Consider the graph of the exponential function y=3(2)×

Need asap. solve for the following inequality

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?