The focus of a parabola is (-4,-5) and its directrix is y=-1 find the equation

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

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.