Check the picture below.
make sure your calculator is in Degree mode.
 
        
                    
             
        
        
        
Answer:
16
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Point T is the right angle of the triangle, so RTS = 90 degrees
8x + 18 = 90 (degrees)
8x = 72
x = 9 degrees
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Hey there the answer to your question will be below 
Step-by-step explanation:
Mean=20
Range=29
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Range:
 Xmas = 39 and Xmas = 10
39-10=29
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Mean:
160/8 = 20
Hope that helps!
By: xBrainly
 
        
             
        
        
        
Sorry what what is the question?