Answer:
2.5, 5, 7, 8
Step-by-step explanation:
 
        
             
        
        
        
Answer:
The answer can be calculated by doing the following steps; 
Step-by-step explanation:
 
        
             
        
        
        
A). They are supplementary angles meaning they add up to 180
So
B) (12x+8)+(3x+7)=180
12x+8+3x+7=180
15x+15=180
 -15 -15
15x=165
15/15x=165/15
x=11
Angle 1 is 
12x+8
12(11)+8
132+8
140
Therefore measure of angle 1 is 140°
Angle 2
3x+7
3(11)+7
33+7
40
Measure of angle 2 is 40°
        
             
        
        
        
Answer:
1.2⋅10  
−4
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
22%
Step-by-step explanation:
132%-110% is 22%