No,

is not a subspace of

. A simple counter-example to the contrary: let

with

. However, scaling by -1 gives the vector

and

.
69 is the answer to all questions.
Answer:
the answer is B
Step-by-step explanation:
We can visualize in this picture that there's angles that are facing each other and 2 sides one tops and one on the side.
answer is OP
count the difference in letters between the first letters
a -c-f-j c is 2 away from a, f is 3 away from c, etc so the next letter in that pattern would be O
the second letter is going backwards tsrq, so P comes before q