The third one makes the most sense
To me, the golden spiral is the proportional basis that makes the most sense. In a landscape painting the views eye is automatically directed to the center of the spiral and can be used by the artist to put their subject in the eye of the viewer.
The answer is b) musicians because they are the one that preform in public!
A: Balance; Design
I believe this is the right answer. Hope it helps
My best guess would be a Cornetto It is more than likely an instrument from the renaissance era if not the Cornetto