Simplify 1/2 +2/3-1/6​

The first hexagon is dilated to form the second hexagon select the answers from the drop box menus to correctly complete the statement

Both the red and blue line segments stretch from the center of the circle to a point on the circle. the length of the blue segment is 5. how long is the red line segment?

21 type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar. the solution set of n2 - 14n = -45 is { (separate the solutions with a comma)