Find the coordinates of the midpoint of the line segment ab, where a and b have coordinates a(8.0),b(4.6)

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

For the inequality |c| < |d| to be true, which of the following must be true?