Answer:lol it's -3
Step-by-step explanation: it's 3 because you had dirt 45.50 in your account and then you have to get books and those books will cost $3 more which means that you don't have that money since it indicates that in the problem which means that it would be -3 because you don't have the money so that's why I think it's negative 3.  
 
        
             
        
        
        
Answer:  
Step-by-step explanation:
Given: Sample size: n = 41
Sample mean  degrees
 degrees
Population standard deviation  degrees
 degrees
Confidence level (c) =  80% =0.80
Significance level (a) = 1- c = 1-0.80 = 0.20
z-score for 80% confidence level : z = 1.2816   [from z-table]
Confidence level for population mean :-



 
 


Hence, 80% confidence interval for the temperatures in the freezer 
 
        
             
        
        
        
Answer:
zx=115'
Step-by-step explanation:
supplementary angles add up to 180'
180-65=115
 
        
                    
             
        
        
        
Answer:
24m+24m=48m
Ingrid spent 48 minutes washing her car
Step-by-step explanation:
Plssss markkk me blainliest 
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Hhuiodkrnf