tayshonparker123 tayshonparker123 16-12-2020 Mathematics contestada Farmer Bob wants to build a rectangular pigpen with side lengths of 3x2+4x-1 ft and 2x2-5x+9 ft. How much fencing will he need to O A 5x2-x+8 ft OB. 10x2+18x+16 ft O C. 10x2-2x+16 ft OD. 5x2+9x+8 ft