What are all the degrese an acute angle can have

Which of the following are accepted without proof in a logical system? check all that apply.

How do i solve uniform motion problems?

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?