John is starting a roofing business. He will need to buy a truck and some supplies to get the business going, the truck cost $13
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Answer:
Step-by-step explanation:
Let the equation be :
The point (1,1) must satisfy this equation.
Similarly, the point (1,3) must satisfy:
Also for the point (9,2), we have:
Solving the equations (1), (2) and (3) simultaneously, we get:
We Substitute this values to get:
Multiply through by 8 to get:
