Final answer:
When comparing a pair of integers (a, b), a > b means a is greater than b, a ≥ b means a is greater than or equal to b, a < b means a is less than b, and a ≤ b means a is less than or equal to b.
Step-by-step explanation:
a) A pair of integers (a, b) satisfies A) a > b if a is greater than b. For example, (3, 2) satisfies a > b.
b) A pair of integers (a, b) satisfies B) a ≥ b if a is greater than or equal to b. For example, (4, 4) satisfies a ≥ b.
c) A pair of integers (a, b) satisfies C) a < b if a is less than b. For example, (2, 3) satisfies a < b.
d) A pair of integers (a, b) satisfies D) a ≤ b if a is less than or equal to b. For example, (3, 4) satisfies a ≤ b.