Identify which factoring pattern each of the following polynomials fit: [] y^2 + 12y - 36
[] x^2 + 121
[] x^2 - 6x + 9
[] y^2 - 64
[] 9x^2 - 121
[] 4y^2 + 20y + 25

1. Perfect Square Trinomial
2. Difference of Squares
3. Neither

Which of the following statements about the shang dynasty’s system of writing is false? a. no evidence of the writing system has survived. b. the shang often wrote on bamboo parchment. c. the writing system had over 3,000 characters. d. the writing system developed from a system of pictographs.