How do I compute 6 less than thrice of 120

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?

How many significant figures are there in the number 10.76?

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