Row question

I’m not sure what I did here…the yarn is coming from the second stitch instead of the first stitch at the beginning of the row?

You just didn’t knit the last stitch or it came unknit. Just put it on the other needle and knit it.

That stitch looks loose. You need to snug it up after you knit 3 stitches - tighten them one at a time in order knitted.