What did I need you on your computer today or do I need to be in your room for you and you need help you can do that

Write a recursive sequence that represents the sequence defined by the following explicit formula:

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

Abcd is a parallelogram. the diagram is not drawn to scale. if m