Answer... 
Old Testament/Hebrew Scriptures; These are written in Hebrew. (There are a few parts in Aramaic.) Hebrew is a language you read right to left. 
New Testament/Christian Scriptures; These were written in Greek. 

Why it matters? (Why do you think it matters?)
When people say, "The Bible says..." it is important to remember it wasn't written in English. There are lots of translations and paraphrases of The Bible. 

Now What?
Do you know the difference between a translation and paraphrase? 
Check out this page to see some popular translations and paraphrases. 

Bonus - Five More Minutes

Check out biblegateway.com and you can compare different versions. 

You can also get SUPER fancy and look up the original terms: https://biblehub.com/interlinear/