a closed rectangular container with square base is to have a volume of 2000cm cubic. the material for the top and bottom will cost $2 per cm squared and the material for the side will cost $3per cm squared. find the dimensions of the container of least cost.​

Which expression is equivalent to 2x^2+7x+4?

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?

Which function has the domain x> -11?