Which expression lists the three consecutive integers starting with a number x? a. x, x + 2, x + 4 b. x + 1, x, x + 2 c. x – 1, x, x + 1 d. x, x + 1, x + 2

Consecutive integers are like 1, 2, and 3. They are in a row. Think about plugging numbers in for x. 1 and 1+2 are not consecutive, so A is not the answer. B and C don't start with x, so they aren't the answer. That leaves D, because it starts with x, then goes to x+1, and then to x+2. These are consecutive, because if x was 1, it would be 1, 2, 3.

The answer is D.

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first one

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21.4 i did it already for s1

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