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I think that by Hebrew Scriptures you mean the Tanakh. In this case, it is Biblical Hebrew
The Hebrew scriptures are written in Hebrew (only a few passages are written in Aramaic).
Catholics, and Christians in general, refer to the Hebrew Bible as the Old Testament. A more refined answer would note that Catholics accept the Apocrypha as canonical while Jews do not, so the Hebrew scriptures accepted by Catholics include the Jewish Hebrew Bible plus the Apocrypha.
Yes, in fact all of the prophets of the Hebrew scriptures are regularly quoted.
AnswerThe Septuagint ('LXX') was the earliest Greek translation of the Hebrew scriptures.
There is no significance of the Roman Empire in the Hebrew Scriptures. The Romans are not even mentioned.
Yes, the Jewish Bible is composed entirely of Hebrew scriptures, with the exception of a few passages in Aramaic.
both
Hebrew scriptures are continued in Christianity. One segment of modern Hebrews are formed by the Christians.
JudaismChristianity
False. The Hebrew Scriptures form what Christians know as the Old Testament.
Hebrew!