Omar walked across the room, a distance of 6.75 yards, in 5.3 seconds. Write a unit rate to describe how quickly Omar walked in 1 second. Explain your thinking. (please hurry, thank you) :)

Jack has a rectangular piece of land, the area of which is represented by a1 = 9.5l. his brother has a different rectangular piece of land, the area of which is represented by a2 = l(14 − l). let a represent the area in square meters and l represent the length in meters of the pieces of land. the two equations plotted on a graph meet at a point as shown in the image