Answer:
3140
Step-by-step explanation:
If they made 314 kilometers per day and they worked for 10 days, multiply:

The total length of the road is 3,140 kilometers.
 
        
                    
             
        
        
        
Answer:
   Yes
Step-by-step explanation:
In order to make a triangle with non-zero area, the sum of the shorter two sides must be greater than the longest side.
Here, 4 + 4 > 7, so the lengths can form a triangle.
 
        
             
        
        
        
A. If the slopes of two lines are negative then the reciprocals, of the lines are perpendicular.
        
                    
             
        
        
        
Answer:
C
Step-by-step explanation:
That means that for x=3 the y has a value of 1.