Hefar decides to leave behind his teaching career to become a chicken farmer. He decides to build a chicken coop in his back yard. While shopping at Home Depot he sees chicken wire on sale for $2.75/ft. His budget allows him to spend only $1375 on fencing. a. What length of chicken wire does Hefar need to buy? b. What is the maximum area Hefar can have for his chicken coop? c. What dimensions will give Hefar the largest area?