The square field has an area of 121 m² what is the perimeter of the field

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?

The interior angles formed by the side of a hexagon have measures of them up to 720° what is the measure of angle a

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?