Answer:
hi.
Step-by-step explanation:
download photo math
The answer is already in its simplest form. You can not add the two because the have different variables. Hope this helps ;)))
Answer is 12.50. u can comment on my answer if you would like to see how that is the correct answer :)
i speak Russian but can’t understand this very well, the instructions aren’t really clear, what’s the translation?
Answer:
4.19
Step-by-step explanation:
Find the mean:

Find the standard deviation:
