The answer will be: Y = -2/5x - 4 
Slope intercept form: y= Mx+b
You find the slope (M) using: rise/run formula 
You find (b) by looking at the y-intercept
        
             
        
        
        
Total purchase = (unit cost)(# of pounds purchased)
Here, that total is ($0.98/lb)(3.5 lb) = $3.43 (answer)
        
             
        
        
        
Answer:
0.5cm
Step-by-step explanation:
Using the sine rule 
 
        
                    
             
        
        
        
Answer:
10 hours 500  miles
8 hours 270 miles
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18 hours 770 miles
Average speed: 770 / 18 = 42.77;
Step-by-step explanation:
 
        
                    
             
        
        
        
The wire is about 11.18 m long. This can be found using the Pythagorean theorem.