7g - 6 = -20
Add 6 to both sides 
7g = -14
Divide both sides by 7
g = -2
answer: g = -2
 
        
                    
             
        
        
        
1/2 = 3/6
Each person would have 1/6 of rice.  
        
                    
             
        
        
        
Answer:
10:40
Step-by-step explanation:
10+10+20=40
10 red cards
 
        
             
        
        
        
The geometrical relationships between the straight lines AB and CD is that they are parallel to each other
<h3>How to determine the relationship</h3>
It is important to note the following;
- A drawn from the origin and passes through point A (a , b), then the equation of OA = ax + by
- If a line is drawn from the origin and passes through point B (c , d), then the equation of OB = cx + dy
We  find the equation of AB by subtracting OB from OA, thus AB = (c - a)x + (d - b)y
The slope of line AB = 
⇒ OA= 2 x + 9 y
⇒ OA = 4 x + 8 y
 ⇒AB = OB - OA
⇒AB = (4 x + 8 y) - (2 x + 9 y)
⇒ AB = 4 x + 8 y - 2 x - 9 y
Collect like terms
⇒ AB = (4 x - 2 x) + (8 y - 9 y)
⇒AB = 2 x + -y
⇒ AB = 2 x - y 
⇒ Coefficient of x = 2
⇒ Coefficient of y = -1
⇒ The slope of ab =  = 2
 = 2
For CD
⇒ CD = 4 x - 2 y
⇒Coefficient of x = -4
⇒ Coefficient of y = -2
⇒The slope of cd =  = 2
 = 2
Note that Parallel lines have same slopes
And Slope of ab = slope of cd
AB // CD
Therefore, the geometrical relationships between the straight lines AB and CD is that they are parallel to each other
Learn more about parallel lines here:
brainly.com/question/24607467
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