Answer: 10.2
I hope that this helps! :3
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The second and third one are correct
The slope is the coefficient of x when the coefficient of y is 1.
The slope is -0.5
The y-intercept is where x=0
y = 17 - 0.5 (0)
y = 17
The y-intercept is 17.
I am unsure but i think the answer is c or a but let me know if i'm right or wrong