Answer:
D.
Step-by-step explanation:
It just is hard to explain but I had the same question.
 
        
                    
             
        
        
        
Answer: The answer is 750 cm
 
        
             
        
        
        
Step-by-step explanation:
the volume of a box (or prism) is always
length × width × height
so, box A
13 × 12 × 16 = 2,496 in³
box B
18 × 25 × 16 = 7,200 in³
box C
12 × 14 × 22 = 3,696 in³
box D
20 × 22 × 17 = 7,480 in³
so, she can use B or D.
 
        
             
        
        
        
Answer:
the third selection is corret
Step-by-step explanation:
Ax + by + c = 0, k = - a/b.
so The slope of the first line =  ,
,
the slope of the second line =  ;
;
So these two lines are parallel and they don't intersect