find the y-intercept of the parabola y = x2 + 8x + 9.
simplify your answer and write it as a proper fraction, improper fraction, or integer.
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Find the value of x for which the lines are parallel.

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.