4 Is the answer since 4 is x 4+4 is 8 8-4 is 4 :)
Define unit vectors along the x-axis and the y-axis as

respectively.
Then the vector from P to Q is

In component form, the vector PQ is (-8,5).
The magnitude of vector PQ is
√[(-8)² + 5²] = √(89) = 9.434
Answer:
The vector PQ is (-8, 5) and its magnitude is √89 (or 9.434).
A. 70in³ i hope this helps!
Number of choices per question = 5
Number of wrong answers = 4
P(wrong answer) = 4/5
Answer: 4/5
The one who walked 1.2 miles would have made $72 and the one who walked 0.8 miles would have made $48.