Answer:
B is irrational
Step-by-step explanation:
If a value is irrational, it means it cannot be written as a fraction composed of defined rational numbers
A is rational since [tex]-6.7=-6\frac{7}{10}=-\frac{67}{10}[/tex]
B is irrational since "n" is not defined as it's a variable.
C is rational since [tex]\sqrt{25}=5[/tex]
D is rational since [tex]13.\bar{4}=13\frac{4}{9}=\frac{121}{9}[/tex]
