Is square root of 36 plus 3 a rational or irrational number? Your

Rational because the square root of 36 is a whole number, and all whole numbers are rational

Rational because the square root of 36 equals 6, 6+3=9, and 9 is a terminating decimal

Irrational because there is a square root symbol in the expression

Irrational because adding a whole number with a square root is impossible