Answer:

Step-by-step explanation:
The magnitude of 3D vector
can be given by the following:

Plugging in given values, we have:
.
I’m sorry I don’t know the length of JT however JE = 3.
Question 13: The answer is D
Question 7: The answer is C
Question 14: The answer is B
And the question for the last Pic, the correct graph is B.
Q: write the number 352 in expanded form
a:300+50+2