4. [-16 Points] A farmer wants to enclose two rectangular areas along a river (see the figure below), one fur cattle and the other fur alpacas (Assume the rectangular areas have the same dirnensions and share the fence in the middle.) He has budgeted fur auu yd of fencing for the project. No fence is needed along the river. what is the largest total area that can be enclosed? I: vdl 5. [-13 Points] A piece waire 20 long is cut into two pieces One piece is used to farm a square. and the remaining piece is used to form a circle. where should the wire be cut so that the combined area of the two gures is a maximum? (Round your answers to two decimal places.) length of wire used fur the square : ft length of wire used fur the circle E ft where should the wire be cut so that the compined area cf the two gures is a minimum? [Raund yuur answers to two decimal places.) length of wire used for the square : ft length of wire used for the circle S ft