Answer:
9.343 cm
Step-by-step explanation:
In the attached file
 
        
             
        
        
        
Step-by-step explanation:
since x=2 and z=-2
4+4=8 [ because -2* -2=+4 ]
 
        
             
        
        
        
Answer:
y=2x+6
Step-by-step explanation:
Slope of line is 2
Plug slope and first set of coords into point-slope intercept form
 
        
             
        
        
        
3 times i’m pretty sure it’s three times more
        
                    
             
        
        
        
Answer:
z+42+42=180
Step-by-step explanation: 
Since it is an isosceles triangle, the two base angles are the same and remember all the angles add to  180. So use this equation: 
z+42+42=180
If you need to find z, it is 96.
Check: 96+42+42=180