Points a and b have opposite x-coordinates but the same y-coordinates how many units away are each of the points from the y-axis

Is the orthocenter of a triangle on the inside ?

Click on the y intercept. -x +4 i know you cant click on it so could you just say the coordinates like (example - (1,0) you so much.

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