Answer:
y=-2x+8
Step-by-step explanation:
Slope=-2
Y intercept= 8
 
        
             
        
        
        
Answer:
See below.
Step-by-step explanation:
The number = 5 * 7 * 23.
5  * 7 = 35 must therefore also be a factor.
If we divide the number by 35 we get 23!.
 
        
             
        
        
        
Answer:
yes
Step-by-step explanation:
as long as the two shortest sides add up to more than the longest side then a triangle can be made with those side lengths
 
        
             
        
        
        
Answer:
-7j-k-1
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
Therefore the friends will have to buy 511 feet of fence (rounding up) or 510 feet of fence ( to the nearest foot).
Step-by-step explanation:
i) perimeter of rectangular yard = 319 feet
ii) perimeter of yard of friends 
iii) Therefore the friends will have to buy 511 feet of fence or 510 feet of fence ( to the nearest foot).