9. IfQN bisects PQR and N is the midpoint of PR classify each triangle by its angles and sides.

What should be done to solve the equation? x+14=21 add 14 to both sides of the equation. subtract 14 from the left side of the equation. add 14 to the left side and subtract 14 from the right side of the equation. subtract 14 from both sides of the equation.

What is the distance between (–2 1/2,-3) and (1, –3)?

Which one is true about the hexagons ?