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Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120

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