<h2>
Answer:</h2>

<h2>
Step-by-step explanation:</h2>
In this problem we have two vectors:

So we need to find two things:

and:

FIRST:
In this case we have the multiplication of vectors by scalars. A scalar is a simple number, so:

SECOND:
If we name:

Then,
is the magnitude of the vector
. Therefore:

The answer is 18 ft because 36 divided by 2 is 18
Answer:
3
Step-by-step explanation:
Intercept theorem
DE // CB ⇒ 
⇒ 
⇒ ? = 3
It’s the third one, if not I’m sorry
Answer:
the answer is B, because triangle BCA is a rotation of triangle XYZ.
Step-by-step explanation: