Respuesta :
18 less than -9 is -27.
We can find this by seeing that the phrase "18 less than -9" means we must subtract 18 from -9.
This gives us -9 - 18 = -27.
I hope this helps!
18 less than -9 is represented by the following number sentence:
[tex] -9 - 18 [/tex]
Anything that is one number 'less than' another number will result in the one number being subtracted from another number.
Solve the sentence:
[tex] -9 - 18 = \boxed{-27} [/tex]