Answer:
29
Step-by-step explanation:
f(x) = 4x -7
f(9) = 4(9)-7
=36-7
=29
x>-11
2x+8>-14
2x>-14-8
2x>-22
x>-22/2
B. Parallel faces
Not all sides need to be parallel and a polygon has only 1 face unless cut
