Given the points a (-1,2) and (7,14), find the coordinates of the point p on directed line segment ab that partitions ab in the ratio 1: 3.

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm