Answer: A. 1.2
Step-by-step explanation:
Given : Sample size : n= 64
Standard deviation: 
The formula to find the standard error of mean is given by :-

Therefore, the standard error of the mean= 1.2
Hence, A is the right option.
Answer:
The answer is 2. 2 is the only number that can't change. There is no x or ^.
Answer:
35x - 2
———————
5
i hope this helps
Step-by-step explanation:
9 3/4 = 39/4 mi/m
68 1/4 = 273/4 min
39/4 mutiply by 273/4 = 10647 / 16 mi = 665.4 mi
I believe the answer is 0=1