Advanced Algebra and Geometry 1 Chapter 27

27.1 p.325-326 https://youtu.be/oHgdDgWHlIE Assignment: Exercise 27-1

27.2 p.326-327 https://youtu.be/NHOgkujllNE Assignment: Exercise 27-2 to 27-5

27.3 p.327-329 https://youtu.be/0rHjqzq8bfk

27.4 p.330 https://youtu.be/HWkujdOkOcg Assignment: Exercise 27-6 to 27-9

Assignment: Ch27 p.331 #500-507 all, skip #506

p.331 #500-507 solution https://youtu.be/GLwlHFOyoQc