Charlie needs to simplify the expression below before he substitutes values for x and y. \frac{x^{13} y^{12}+x^{3} y^{5}}{x^{3} y^{4}} If x + 0 and y ± 0, which of the

following is a simplified version of the expression above? \text { A) } \pi^{9} y^{5} \text { B) } x^{24} y^{16} \text { c } x^{6} y^{3}+x^{3} y^{2} \text { D) } x^{15} y^{n}+x^{6} y^{4}