The rectangle to the right is divided into 12 shapes. One of them is a rectangle labeled with #1 and the remaining 11 shapes are squares. The length of the side of each one of the shaded squares is 1 ft. Find the area of the given rectangle.

Two technicians are discussing oil changes. technician a says that waste oil and old filters need to be disposed of according to the law. technician b says that old filters can be returned to the parts department for a core value. which technician is correct?           a. technician a only   b. both technicians a and b   c. technician b only   d. neither technician a nor b