Find the distance d(P1, P2) between the points P1 and P2.
A. 84
B. 14
C. 84
D. 2
Answer: D
Mathematics
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Solve the problem.If v = -2i - 4j + k and u = 2i - 5j + 5k, find a vector perpendicular to both v and u.
A. 20i + 27j + 19k B. 7i + 3j + 26k C. -15i + 12j + 18k D. -7i - 3j + 3k
Mathematics
In a school survey, students showed these preferences for instructional materials. Answer the question.
How many degrees are in the central angle for the "TV" sector?
A. 21.6° B. 12° C. 43.2° D. 30°
Mathematics
Use the order of operations agreement to simplify the given expression.
A. 
B. 
C. 0
D. 
Mathematics
Provide an appropriate response.True or False? If a is any nonzero real number, then -a0 = -1
A. True B. False
Mathematics