Answer quickly, please. I need this. I will give brainliest to whoever answers first. You also get 25 points for this

Which of the following contains a variable?

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge

This activity will you meet these educational goals: mathematical practices-you will make sense of problems and solve them, reason abstractly and quantitatively, and usemathematics to model real-world situations.directionsread the instructions for this self-checked activity type in your response to each question, and check your answers. at theend of the activity, write a brief evaluation of your work.