The perimeter of a rectangle is 20 feet and the foot-measure is each side is a whole number. how many rectangles with different shapes satisfy these conditions?

This question is about wind waves / swells. a. list and explain the necessary factors and conditions for wind waves to develop in the ocean. b. describe what occurs to these waves after they first develop (in other words, describe how the waves travel from where they formed to other locations, like a beach/ coastline)