No, it is rational.
It is rational. It is rational. It is rational. It is rational.
"Rational" is an adjective and so there cannot be "a rational" (and certainly not "an rational"). Any answer would depend on whether the question was about a rational number, a rational person, a rational argument or "a rational" combined with some other noun.
It is rational.
It is rational.
Not necessarily. Educated persons are probably more likely to commit more sophisticated offenses. However when it comes to human emotions and NOT rational thinking, educated persons can be just as prone to committing crimes of violence as anyone else.
Yes, at least they start out that way. Most crimes are committed with at least some forethought, even if only brief. The fact that the crime becomes violent while the act is in progress does not negate the fact that the perpetrator should have thought of the possibility of that occurring.
Rational
1.14 is rational.
4.6 is rational.
No, it is rational.
It is a rational number
It is rational. It is rational. It is rational. It is rational.
Rational.
No, it is rational.
It is rational
Serial means a series of crimes, usually one at a time, with a 'cooling off' period in between kills. The cooling off time depends on the individual killer. Jack The Ripper killed two women in the space of an hour. Some killers may not kill again for several years.