We have two points so we can find the gradient using y1-y2/x1-x2
gradient = 21-27/2-8
= 1
we know the form for any linear equation is y = mx + c
we have m and a point so we can substitute in point (2,21) to find c
21 = 1 x 2 + c
c = 19
therefore, the equation is y = x + 19
Answer:
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Step-by-step explanation:
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Answer:

Step-by-step explanation:
let me know if this is right please :(
I think the answer is 50 dollars more the amount
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Answer: 2
Step-by-step explanation: because 23