which shows the image of rectangle abcd after the rotation (x, y) - (-y, x)?

The rumpart family is building a new room onto their house. the width of the new room will be 16 feet. the length of the room will be 4% greater than the width. write an expression to find the length of the new room. what will be the area of this new room?

Which answer goes into the box? (90° clockwise rotation, 90° counter clockwise rotation, translation, or glide reflection)

If a and b are real numbers, then |a-b| is always, sometimes or never equal to |b-a| ?