No it is not a order pair. It’s not one because I did the work.
Answer:
2x+10 // 2 • (x + 5)
Step-by-step explanation:
Final Result :
y + 10
Processing ends successfully
Answer: a. $128.125
Step-by-step explanation:
The standard error of the mean is given by :
, where
= population standard deviation , n= sample size.
Given: 
n= 256
Then, the standard error of the mean:-

Hence, option a. is correct.
to the nearest tenth: 5.8
to the nearest hundredth: 5.83
to the nearest thousandth: 5.831