Solve the following problems (put solution)
1. The volume of a cubical box is 64 cm3

. If the length of the side is reduced by x cm,

what is the new volume of the new cubical box? (5 points)
2. The side of a square garden is (4m – 3n) meters. Find its area. (5 points)
3. What is the area of a square playground if the side measures (4u – 3v) meters?