water bill in X secondary school average is 120 with standard deviation of 85, what percent have a water bill between 65 and 504. all expenses being in kwacha. ( hint: use k = 2, 3 & 4)​

Which expression is equivalent to 3^3 + 2^2?

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

Drag each tile to the correct box. not all tiles will be used. consider the recursively defined function below. create the first five terms of the sequence defined by the given function