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

Which of the following “invisible” marks represents an inserted tab?

Which part of the cpu accepts data?

Which of the following is not a way in which trees benefit the environment? a. they remove a significant amount of carbon dioxide from the atmosphere. b. they remove a significant amount of oxygen from the atmosphere. c. their roots hold soil in place, reducing rates of erosion. d. they remove ozone and particulates from the atmosphere. select the best answer from the choices provided a b c d