hmm who is smart enough for this :)

Answer:
1
[tex]-\frac{9}{15}[/tex]
-0.7
Step-by-step explanation:
Both [tex]-\frac{9}{15}[/tex] and -0.7 are negative so therefore, 1 is the greatest
[tex]-\frac{9}{15}[/tex] is -0.6 which is greater than -0.7 so it's the 2nd greatest
and -0.7 is the least