Google$$s Ad Rank depends on:

Question $14$ options:

a$)$

All of these are correct.

b$)$

The highest keyword bid, the Quality Score, and the Rank Brain score.

c$)$

The CPC$,$ the Quality Score, and the expected impact from extensions.

d$)$

The bid for each keyword, the relevance of the ad$,$ and use of extensions.