Answer:
9
Step-by-step explanation:
9v = 9(2i + 9j) = 18i + 81j
|9v | = = = 9
4x+2y i hope that helps :3
Answer:
x = - 1
y = - 3
z = -2
Step-by-step explanation:
Please see steps in the image attached here.
With glasses and without sorry i didn;t tell you about that! (very bad camera
14+-86=-72. That is the change in level if you needed it.