Find this sum. explain your method. 1/2 + 1/3 + 1/4 + 1/5 + 1/6 + 2/3 + 2/4 + 2/5 + 2/6 + 3/4 + 3/5 + 3/6 + 4/5 + 4/6 + 5/6

Lesson 9-3 for items 8-10, a square is drawn in the coordinate plane, with vertices as shown in the diagram. then the square is reflected across the x-axis. -2 4 8. the function that describes the reflection is (x, y) - a. (x, y-3). b. (x, y-6). c. (-x, y). d. (x,- y).