What is the volume of a sphere with the surface area of 16r feet squared

From three chocolate bars we can make at most five chocolate rabbits and have some leftover. what is the greatest possible number of chocolate rabbits that can be made from sixteen chocolate bars (maybe with some leftover)?

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?

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box