The mean of the answer is 20.5 because you add all of the number together and divide by 6 because there's 6 numbers.
I'm sorry, but I don't know how to do the standard deviation...
Hope this helped!
Answer:

Step-by-step explanation:

For f(3), the input for the function f(x) is 3.
Let x (input) = 3.

Answer:
Neither perpendicular or parallel
Step-by-step explanation:
The y-intercept would not be the same, and the slope would be different. That means that line wont be parallel, or perpendicular.
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-Chetan K
No, the question is not a statistical question.
Answer:
h=462
Step-by-step explanation:
h/7=66
times each side by 7
h=462