Answer:
I think its OB but I'm not sure
Step-by-step explanation:
I think the answer is 3x + 18 because:
3 * x = 3x
and
3 * 6 = 18
That equals 3x + 18.
Hope this helped☺☺
Answer:
3
Step-by-step explanation:
About 68% of the people will score between 85 and 115.
The values of 85 and 115 are exactly 15 points away, or 1 standard deviation, away from the mean.
According to the empirical rule, about 68% of the values in a normal distribution are within 1 standard deviation of the mean.