Plsss help for brainlist

See attachment below and find the equivalent of tan(∠qsr)

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?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a