The perimeter of a triangle is 7a-11b if two of the sides are 2a+b and a-9b what is the third side

True or false? a circle could be circumscribed about the quadrilateral below.

What additional information could be used to prove abc =mqr using sas? check all that apply.

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?