A golf coach wants to tell a beginner how he is performing. He tells the beginner that he should be able to hit the ball 150 yards on average. He tests the beginner and records the distance of each hit.
135 ≤ d < 140 4 140 ≤ d < 145 13 145 ≤ d < 150 17 150 ≤ d < 155 6
Is the beginner performing at the average level?

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step-by-step explanation:

3. (5x + 1) - (-10x + 6)

simplify the answer choice. combine like terms. remember to distribute the negative to the terms inside the second parenthesis. also remember that two negatives = one positive, and one of each sign = negative.

- (-10x + 6) = + 10x - 6

simplify. combine like terms:

5x + 1 + 10x - 6

5x + 10x + 1 - 6

15x - 5

∴ it is your answer

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