Answer:
45 square units
Step-by-step explanation:
You can cut the yellow figure into a triangle (4 by 5) and a rectangle (7 by 5).
Using the formula  and
 and  area formulas, we get:
 area formulas, we get:

The area shaded in yellow is 45 square units
 
        
             
        
        
        
Step-by-step explanation:
1. 3x+y+17=0
2.x-y+3=0
Sorry mam I use mental math 
 
        
                    
             
        
        
        
Answer:
x=17/13
Step-by-step explanation:
-3(3x-3)=4/5(5x-10)
-9x+9=4x-8
-13x= -17
x=17/13
 
        
                    
             
        
        
        
If there is two answers its A. And B.