Answer:
a
Step-by-step explanation:
solve for y in one equation
2x + y = -4
y = -4 - 2x
plug y into the other equation
5x + 3y = -6
5x + 3(-4 - 2x) = -6
5x -12 -6x = -6
-x - 12 = -6
-x = 6
x = -6
plug x into the equation to find y
y = -4 - 2x
y = -4 - 2(-6)
y = 8
ordered pair: (-6,8) 
 
        
             
        
        
        
Answer:
The answer you are looking for is 27.
Step-by-step explanation:
The reason is because 27 is the 3rd multiple of 9. 
 
        
                    
             
        
        
        
Answer: A <em>plane </em>
This needs to be 20 characters long so this is ok
 
        
             
        
        
        
9 times 5 equals 45 so yes
        
                    
             
        
        
        
Answer:
 B, D
Step-by-step explanation:
Supplementary Angles: Add up to 180 degrees
Angle abe and Angle Ebc add up to 180 degrees
Angle ABD and Angle DBC add up to 180 degrees