Answer:
For the first one, the answer is 3,
the second one is 8,
the third one is 4,
and the last one is 6.
Step-by-step explanation:
The note that's empty and has the line is two beats (Meaning you will hold it and count 1-2 in your head.) , the empty note without the line is 4 beats, and the full note with the line is 1 beat.
I hope this helps and makes sense. Have a nice day! c: