-1 because x is 4 so you just plug it in and 4-8 is -4 and -4/4 is -1.
Answer:
24.4
Step-by-step explanation:
15.86 /0.65 = 24.4
Rational: Any number that can be expressed as a fraction (or a ratio.)
Irrational: Not rational, any number that can't be written down as a fraction. Some examples include

,

, and so on.
Answer: SHEEEESHOOOOOO yesssirrrr big brainnnnnnn :clap clap: