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  (0, -26)

Step-by-step explanation:

We can use the 2-point form of the equation for a line to write its equation:

  y = (y2 -y1)/(x2 -x1)(x -x1) +y1

  y = (1 -(-8))/(36 -24)(x -24) -8

  y = 9/12(x -24) -8

  y = 3/4x -26

Comparing this to slope-intercept form:

  y = mx + b

we see that the y-intercept, b, is -26.

The y-intercept of the line is (0, -26).

180°

step-by-step explanation:

sum of equilateral triangle=180°

< n=60°

< m=120°°[angle supplementary of equilateral angle]

< m+< r+< x=360°(sum of exterior angle of triangle)