A piece of wire, 28 cm in length, is cut into two parts. One part is used to make a rectangle and the other a square. The length of the rectangle is three time is width. The width of the rectangle is x centimeter. 1.Write down an expression, in terms of x, for the length of rhe rectangle. 2.Find and simplify,an expression in terms of x, for the length of a side of the square.