It's difficult to assess advice for your level, since you've only played one rapid game. Assuming you are below 1000 rating on chess.com, I'd highly recommend this blog post of mine from years ago about the 3 chess "opening principles" I believe are the most important:
https://www.chess.com/blog/KeSetoKaiba/opening-principles-again
Something like this video may also help you too 
Does anyone have advice against my buddie and classmate we play chess games sometimes and I just need some advice on how to play better openings and she better moves maybe I am struggling a little bit and its not easy um maybe just some small tips anyone wanna help me out here!!!????????