GOD'S WORD® Translation
"In this situation a wise mind is needed. The seven heads are seven mountains on which the woman is sitting.

American Standard Version
Here is the mind that hath wisdom. The seven heads are seven mountains, on which the woman sitteth:

Berean Study Bible
This calls for a mind with wisdom. The seven heads are seven mountains on which the woman sits.

Douay-Rheims Bible
And here is the understanding that hath wisdom. The seven heads are seven mountains, upon which the woman sitteth, and they are seven kings:

English Revised Version
Here is the mind which hath wisdom. The seven heads are seven mountains, on which the woman sitteth:

King James Bible
And here is the mind which hath wisdom. The seven heads are seven mountains, on which the woman sitteth.

World English Bible
Here is the mind that has wisdom. The seven heads are seven mountains, on which the woman sits.

Young's Literal Translation
Here is the mind that is having wisdom; the seven heads are seven mountains, upon which the woman doth sit,

Revelation 17:9 Additional Translations ...