The imaginary wall between the actors and audience is called:

It is the 4th wall.

Explanation:

The 4th wall is what is in-between the audience and the actors. When an actor breaks the fourth wall, they talk to the audience directly.

(a) i got it right on the test

classical and renaissance ideals. he mainly focused in historical paintings, so you could also say that he drew his artistic inspiration from the bible, since he depicted and painted many scenes from it.