Answer:
69824.21
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Step-by-step explanation:
 
        
             
        
        
        
Answer:
B: y = -2x + 5
Step-by-step explanation:
-2 - 1 = -3
9 - 3 = 6
 = -2
 = -2
gradient = -2
3 = 1 x -2 + c
3 = -2 + c
5 = c
y intercept = 5
equation = y = -2x + 5
so the answer is option b
 
        
             
        
        
        
the equation is 2x-1 right so all you have to do is plug and go 
2x-1
2x10-1
20-1
19 
so your answer would be A)19