Answer:
negative
Step-by-step explanation:
calculating the z score by subtracting the mean and dividing by the standard deviation
(55-70)/10= -1.5
It's negative
 
        
             
        
        
        
The answer is $212.37 for each large flatscreen tv
        
             
        
        
        
Increase=5%of 4
=5÷100×4=0.2
So 4+0.2=4.2litres
        
             
        
        
        
Answer: B
We all know that area= LxW
The width that is being shown is 8ft. The length is 20ft. Therefore, you multiply 8 x 20 which gives you 160ft squared. Hope this this helps :)
        
             
        
        
        
<u>Answer-</u>
2 is the upper limit for the zeros.
<u>Solution-</u>
The given function f(x) is, 

For calculating the zeros,










From all the 4 roots, it can be obtained that 2 is the greatest zero.