alyciahgoodwin3 alyciahgoodwin3 22-05-2023 Mathematics contestada x+4 4. You just got a dog and need to put up a fence around your yard. Your yard has a length of 3xy2 + 2y-8 and a width of -2xy² + 3x - 2. Write an expression that would be used to find how much fencing you need for your yard.