Answer: C
Step-by-step explanation: Hope this help :D
Answer:
9
Step-by-step explanation:
9v = 9(2i + 9j) = 18i + 81j
|9v | =
=
= 9
Answer:
C. 73 if I have read the given angle measurements correctly.
The angle measurements I see are:


.
Step-by-step explanation:
Those angles together form a full rotation. A full rotation is equal to 360 degrees.
So we have the following equation to solve:

Combine like terms:

Simplify:


Divide both sides be 2:

Subtract 107 on both sides:


I think the answer is C hope this would help you