This is super important for my grade guys can you let me know the answer

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?

On a piece of paper graft y+2> -3x-3 then determine which answer matches the graph you drew

What are the values of each variable in the diagram below?