A piece of cardboard is 2.9 times as long as it is wide. It is to be made into a box with an open top by cutting 3-inch squares from each corner and folding up the sides. Let x represent the width (in inches) of the original piece of cardboard. Answer the following questions. Points: 0 of 1 3 3 a) Represent the length of the original piece of cardboard in terms of x. Length = in. (Use integers or decimals for any numbers in the expression.) 3 3 3 3 3