Which list of angle measures could be the angle measures of a triangle?

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

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?