Answer:
y=180-63-63/2=27degree...in triangle mln
x=180-27-63=90....in triangle mon
 
        
                    
             
        
        
        
Answer:
3x^2 is the final solution
See the image below for step by step explanation. 
 
        
             
        
        
        
Answer:
4(5)+5y=20          20+5y=20 then subtract the 20 with other 20= 0
5y/5=0/5                               y=0
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
-1
 because you are adding up to 0 to get back to the positive.
 
        
                    
             
        
        
        
Answer:
The value is a statistic, since it is from a sample.
Step-by-step explanation:
If the value is from a population, it is a parameter.
Otherwise, if the value is from a sample, it is a statistic.
In this question:
In a random sample of U.S. households, it was found that 72% have high-speed Internet.
The value is from a sample, so it is a statistic.