Which one do I put in the red circle ?

The third one

Step-by-step explanation:

The key signature is 2 therefore it has to be worth 2 beats.

The first 2 and last one lasts only 1 beat.

Therefore, you are only left with the third one that lasts 2 beats.

Hope this helps :)

answer: for each 3 girls there is 2 boys . 3: 2

hope this ! (:   mark me as brainliest if you can

b.-4 units

all you   do is count how many times you move