Answer:
7, -5, 2/3, 5.79
Step-by-step explanation:
rational numbers are numbers you can put in fraction form. [tex]\sqrt{13}[/tex] is not a perfect square, therefore you cannot put it in fraction form. [tex]\sqrt{-4}[/tex] is an imaginary number. Rational numbers are in the Real Numbers category, so it is not a rational number.