Answer:hello the answer is C. 7$
Step-by-step explanation:
 
        
             
        
        
        
C! 80 + 10 is 90, 90+90 is 180. There are 180 degrees in one triangle 
        
                    
             
        
        
        
Step-by-step explanation:
Given the information: 
- 1st square:  12 square units
 - 2nd square: DOUBLE that of the first square = 2*12 = 24 square units
 
From that, we can determine the length of the side in each square: 
1/ 
<=> x = 2
 
2/ 
<=> a = 2
 
Please have a look at the attached photo. 
Hope it will find you well. 
 
        
             
        
        
        
Answer:
a cross section is the intersection of a solid and a plane.
Step-by-step explanation:
 
        
             
        
        
        
2x + 4 = 3x - 10
-2x and +10 to both sides
14 = x
the answer is x = 14