The equation of a line is x + 5y = 12.

What is the y-intercept of the line?

a) 5/12

b) 12

c) 12/5

d) - 12

I am so lost and i have no idea

The equation d=1/2n (n-3) gives the number of diagonals D for polygon with n sides. use this equation to find the number of sides n for a polygon that has 65 diagonals

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