Can someone just please help me!!

Name these type of angles shown check all that applies

Plz ( true - false) all triangles have interior angles whose measure sum to 90.

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?