Positive Numbers are to the right of the number line.
 
        
             
        
        
        
Answer:

Step-by-step explanation:
<u>Confidence Interval</u>
When the population standard deviation  is known, the formula for a confidence interval for a population mean
 is known, the formula for a confidence interval for a population mean  is:
 is:

Where n is the sample size and z is the corresponding z-value from the standard normal distribution for the selected confidence level. The value of z for a 95% confidence interval is z=1.96. The rest of the values are 

Calculating the confidence interval


Or, equivalently

 
        
             
        
        
        
B because you multiply 7 times 4 that’s 28 then times 5 that’s 140 so for b you do 5 times 7 that’s 35 then times 4 that’s 140 so b is the correct answer, hope it helps
        
             
        
        
        
Answer:
25
Step-by-step explanation:
Substitute 7 into 2, and 11 into y.
2(7)+(11)
14+11
25