What’s the answer to this question?

Your answer is letter b ($11.82).

Step-by-step explanation:

Steps:

1. Find the differences between consecutive weeks' earnings (weeks 3-6). You will do week 4- week 3, week 5- week 4, and week 6- week 5.

2. Add the differences.

3. Divide this number by 3. This will give you your answer.

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step-by-step explanation:

1. perpendicular

2. parallel

3. perpendicular