Answer:
Step-by-step explanation:
8. 21+7 = 28
9. 73-17 =56
True I think. Because the sides are all congruent
Answer: (1.55, 6.45)
Step-by-step explanation:
The confidence interval for population mean is given by :-

Given : Significance level : 
Critical value : 
Sample size : n=41
Sample mean : 
Standard deviation : 
Then, 99% confidence interval for population mean will be :_

Answer:
D 16% increase
Step-by-step explanation:
This is ez
just did this stuff in pre algebra
Answer:
Step-by-step explanation:
im so unfused what subject if yall ask a question putt the subject