What is the value of the expression 9 x -2.2?

What is the factored form of the following expressions? d^2 – 13d + 36

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?

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer