5. Malia is planting a garden in her yard. The dimensions are represented by x + 4 feet and *+8 feet. She needs fencing to go around the perimeter of the garden to keep animals out.
a. Write a polynomial to represent the amount of fencing she will need in feet.
b. She has 72 feet of fencing in the shed, fx=13 feet, does she have enough fencing on
hand for the garden? Explain your reasoning