Find the indicated vector.Let u = 
, v = 
. Find v - u.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Express the number in decimal notation.8.1 × 105
A. 81,000 B. 8,100,000 C. 405 D. 810,000
Mathematics
Factor the expression completely, if possible.z3 + 512
A. (z + 8)(z2 + 64) B. (z - 512)(z2 - 1) C. (z - 8)(z2 + 8z + 64) D. (z + 8)(z2 - 8z + 64)
Mathematics
Plot the given point in a rectangular coordinate system.(-5, -3)
A. 
B. 
C. 
D. 
Mathematics
Find the value of the indicated trigonometric function of the angle ? in the figure. Give an exact answer with a rational denominator.
Find cos ?.
A. cos ? = 
B. cos ? = 
C. cos ? = 
D. cos ? = 
Mathematics