14. A rectangular field with an area of 8000 m² is enclosed by 400 m of fencing. Determine the dimensions of
the field to the nearest tenth of a metre.

Suppose the first five terms of a sequence are 4, 5, 9, 27, 123. how could the next term in the sequence be generated?

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?