180=11+2x
-11 -11
169/2=2x\2
x=84.5
        
             
        
        
        
Answer:
B
Step-by-step explanation:
4/5x+2<7/5x+5
subtract 7/5x from both sides
-3/5x<3
multiply both sides by 5/(-3)
x>-5
 
        
                    
             
        
        
        
<h3>
Answer: Choice C</h3>
Work Shown:

This matches with choice C. The imaginary 'i' term is not under the square root.
 
        
             
        
        
        
Answer:
B(-2,-6)
Step-by-step explanation:
The midpoint of AB is M, then A(8,4), M(3,-1)
So we can find:
 
then B(-2,-6), hope that useful.
 
        
             
        
        
        
|4-9|
|-5|
5
|4|-9
4-9
-5
absolute value is the numbers distance from zero