Tell whether root is rational or irrational then evaluate to two decimal places please

Tell whether each root below is rational or irrational, then evaluate (round to two decimal places if needed). 6. (L31) V 30 A. Irrational; 5.48 B. Rational; 5.48 C. Irrational; 6 D. Rational; 6 E. None of the above 7. (L31) V 125 A. Irrational; 5 B. Rational; 125.41 C. Irrational; 125.41 D. Rational; 5 E. None of the above 8. (131) V 18 A. Irrational; 4.24 B. Rational; 4.24 C. Irrational; 3.86 D. Rational; 3.86 E. None of the above