Find a unit vector u in the direction of the given vector.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.A tourist in France wants to visit 5 different cities. If the route is randomly selected, what is the probability that she will visit the cities in alphabetical order?
A. 
B. 
C. 120
D. 
Mathematics
Use the earthquake magnitude scale to answer the question.How much energy, in joules, is released by an earthquake of magnitude 4.6?
A. 7.9 × 1012 joules B. 1.9 × 1011 joules C. 1.0 × 109 joules D. 2.0 × 1011 joules
Mathematics
Give an appropriate answer.Let
f(x) = -10 and
g(x) = 8. Find
[f(x) ? g(x)].
A. 2 B. -80 C. -2 D. 8
Mathematics
Provide an appropriate response.Find the equation of the line that is perpendicular to the line 3y = 2x - 1 and passes through the point (-4, 2).
A. 2x - 3y = -14 B. x + 2y = 0 C. 3x + 2y = -8 D. 3x + 2y = -4
Mathematics