Find the unit vector having the same direction as v.v = -12i + 5j
A. u = - 
i + 
j
B. u = - 
i + 
j
C. u = -156i + 65j
D. u = - 
i + 
j
Answer: B
Mathematics
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Find the area of the surface generated by revolving the curves about the indicated axis.x = t + 
, y = 
+ 
t, - 
? t ? 
; y-axis
A. 
?
B. 532?
C. 
?
D. 1330?
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Convert from dollars to cents.$0.08
A. 8¢ B. 0.8¢ C. 800¢ D. 80¢
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Solve.On a map, 1 in. represents 120 miles. How much does 
in. represent?
A. 72 mi B. 62 mi C. 200 mi D. 82 mi
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Find the value of the determinant.
A. 0 B. 12 C. -12 D. 20
Mathematics