This is for algebra 1

What is the perimeter of square abcd? units units 28 units 37 units

Alogical argument that is presented in graphical form using boxes and arrows is called?

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?