Determine which numbers in the set are natural numbers, whole numbers, integers, rational numbers, and irrational numbers. (Select all that apply.) 18, -11, - -, V4, 3.99, - -1, 15, -5.8, 8 1 18 -11 V4 3.99 - 9 15 -5.8 (a) natural numbers x DO 0 O O 0 O (b) whole numbers x 0 O O O 0 0 O (c) integers X 0 O O O O 0 O (d) rational numbers x 0 O O O 0 O O (e) irrational numbers X 0 0 0 O 0 O