Is the square root of 5/3 rational or irrational number?

The rectangle on the right is the image of the rectangle on the left. what transformation would result in this image? reflection rotation translation dilation

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.