0 - 18 = -18
-18 + 9 = -9 ft
        
             
        
        
        
Answer:
x = -3
Step-by-step explanation:


Add 2/3 x to both sides:  
Subtract 8 from both sides: 
Multiply both sides by 3:  
Divide both sides by 11:  
Therefore, point of intersection between both lines is at point (-3, -1)
 
        
             
        
        
        
Answer: 1. muiltply the two volumes 2. 273.32 cubic centimeters are your answers hopefully I'm correct on this.
 
        
             
        
        
        
Answer:
4×30+5×30=120+150=270
Step-by-step explanation:
looking at the last row, we can see that the total number of students will be 4×30+5×30=120+150=270