Matt is 24 and John is 18. 24 - 18 is 6. And 24 + 18 would equal 42.
        
                    
             
        
        
        
Answer:
its gonna be the second one down on the left!! i can give an explanation if ur having trouble 
Step-by-step explanation:
 
        
             
        
        
        
12^2=144
144 is divided by b which also is an odd interger, there only 2 numbers : 1 and 3
if b=3, a^2=48, then there will be no a available 
if b=1 , a^2=144, then a is 12 and 12 can not be divided by 9
The answer is D
 
        
             
        
        
        
 Answer:


And we can find the limits in order to consider values as significantly low and high like this:


Step-by-step explanation:
Previous concepts
A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".
The margin of error is the range of values below and above the sample statistic in a confidence interval.
Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".
Solution to the problem
For this case we can consider a value to be significantly low if we have that the z  score is lower or equal to - 2 and we can consider a value to be significantly high if its z score is  higher tor equal to 2.
For this case we have the mean and the deviation given:


And we can find the limits in order to consider values as significantly low and high like this:

