Form an equivalent expression 5x + 9z -x

What is the measure of the smallest angle in the diagram? 15 29 32 45

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

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?