Frfr like do your work XD
The answer is [ because of the separation, sentences with this error often sound awkward, ridiculous, or confusing.]
I'm not sure how you would like them classified but,
-2.9 less than -1.5
2.3 greater than -1.5
-1.9 less than -1.5
5.4 greater than -1.5
-3.5 less than-1.5
-.4 greater than -1.5