Find the unit vector having the same direction as v.v = 7i
A. u = 
i
B. u = i
C. u = 7i
D. u = 49i
Answer: B
Mathematics
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A.
B.
C.
D.
E.
none of these
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Write the rate as a fraction in simplest form.A biker travels 258 miles in 27 hours.
A. 
B. 
C. 
D. 
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Perform the indicated clock arithmetic.4 
3 (5-hr clock)
A. -1 B. 6 C. 5 D. 1
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Evaluate.61 - 9 ? 2 + 234 ÷ 18
A. 16 B. 682 C. 56 D. 117
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