Answer:
B
Step-by-step explanation:
 
        
             
        
        
        
Answer:
21square feet
Step-by-step explanation:
Count the whole squares first.
if each square is one square foot then 18 whole squares will be 18×1= 18 square feet
add halves (aproximate halves) together. (3 in total)
Therefore A= 18 +3
= 21 square feet
 
        
                    
             
        
        
        
Answer:
B--StartFraction pi Over 2 EndFraction radians
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
  
            
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = 108
Sample mean,  = 107
 = 107
Sample size, n = 110
Alpha, α = 0.02
Population standard deviation, σ = 7
Formula:
 
Putting all the values, we have

The test statistic is -1.50
 
        
             
        
        
        
Answer:
the answer should I believe be 46° because it's across from the degree that's there