The empirical rule says that approximately 68% of a normal distribution falls within one standard deviation of the mean. In this case, this would include all values of the variable in the interval

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Answer:
I'm pretty sure its D
Step-by-step explanation:
w is represented by week of saving he gets 6 dollars every week so 6w
he gets 45 dollars from his presents so he adds the 45 to the equation leaving him 111 dollars
so the equation is 6w+45=111
True,
Good luck! I hope I helped!