Find x.
Side splitter Theorem
I know the answer is 7 but I don’t know how to solve.

Which graph corresponds to the function f(x) = x2 + 4x – 1?

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?

I’m really confused and need your assist me with this question i’ve never been taught