Question: Please help! Thank you! Solve the problem, and explain why the solu- tion makes sense. 3. a. ) Show how to use a number line
Please help! Thank you!

Solve the problem, and explain why the solu- tion makes sense. 3. a. ) Show how to use a number line to calcu- late -1 + (-2). b. Show how to use a number line to calculate 1 - (-2). c. Show how to use a number line to calculate -1 - 2. d. Show how to use a number line to calculate 1 - (-2)
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