Which of the following statements about the point labelled f in the diagram are true? choose all of the correct answers.

Which expression is equivalent to 4 square root 6 divided by 3 root 2

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

If you could answer these your a life saver