Answer:
2 1/4 cubic units is the answer
 
        
             
        
        
        
Answer:
 u should put this also in English then type it in so it will translate
 
        
             
        
        
        
Because every number with the decimal point have a zero infinit so it's not matter they're are same
        
             
        
        
        
Answer:
14. x=30, y=15, z=165
15. x=10, y=25
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
y=-5x-2
Step-by-step explanation:
y=mx+b
where m is the slope 
y=-5x+b
to solve for b, which is the y intercept, plug in (1,-7)
-7=-5(1)+b
-7=-5+b
-2=b
y=-5x-2