Which expression represents the composition g(f(x)) for the functions below?
f(x) = -3x²
g(x) = 3x
09x
9x?
-92
– 27x²

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

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

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