Answer: 
Step-by-step explanation:
Confidence interval for population mean is given by :-
(1)
, where
= Sample mean
= Critical z-value
= Population standard deviation.
n= Sample size.
As per given , we have
n= 610

Significance level for 85% confidence : 
By z-table critical two tailed z-value : 
Put all values in (1) , we get




Hence, the 85% confidence interval for the mean consumption of meat among people over age 40. = 
Answer:
Algebraic expression ;

Step-by-step explanation:
4 is subtracted from r means the same as r decreased by 4
Subtracted = -

The answer to this question is y=28
Answer:
D
Step-by-step explanation:

ANSWER IS D
Answer:
46
Step-by-step explanation:
It must be the same as the angle opposite of it.
You can see that 134 and 134 are the same, so the other two corners need to be the same and be 46 and 46.