The Rules:
Each row (horizontal line) must have numbers 1-9 in any order but each digit can only appear once.
Each column (vertical line) must have numbers 1-9 in any order but each digit can only appear once.
Each 3×3 box must have numbers 1-9 in any order but each digit can only appear once.
There is only one correct answer.
Visit www.mainecampus.com for the answer.












