Fiona is drawing polygons on a computer. she wants to map a regular 9-sided polygon back onto itself using a reflection. which set of lines can fiona choose from for her line of reflection?
a. any line passing through the center of the polygon
b. any perpendicular bisector of one of the sides
c. any line joining the midpoints of any two sides
d. any line parallel to a side of the polygon

The average hourly earnings for a construction worker is projected to be $24.50 in 2012. jason wants to join the construction work force after he graduates in 2012. his friend tells him that average hourly earnings for construction workers will rise by 2% from 2009 to 2012. based on the data below, assuming that the projected hourly earnings are correct, is jason’s friend’s statement accurate? construction industry - average hourly earnings, 2000-2009 a. his friend’s statement is accurate. the average hourly earnings will increase by 2%. b. his friend’s statement is not accurate. the percent increase will be more than 2% c. his friend’s statement is not accurate. the percent increase will be less than 2% d. his friend’s statement is not accurate. the average hourly earnings will decrease

Type the correct answer in each box, round your answers to the nearest integer 20 25 30 in the figure, the perimeter of hexagon abcdef is approximately w units, and its area is square units

Can someone explain to me how to do