Question: (1 point) Let ~ be the equivalence relation on Z defined by a ~ y if and only if a - y is divisible by

(1 point) Let ~ be the equivalence relation on Z defined by a ~ y if and only if a - y is divisible by 9. How many distinct equivalence classes does ~ define?(1 point) Let ~ be the equivalence relation on Z defined by a ~ y if and only if x - y is divisible by 16. Give three examples of elements in the equivalence class of -8. Example #1: Example #2: Example #3

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