Find the additive inverse.- 
A.
B. -1
C. 0
D. -
Answer: A
Mathematics
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Find the indicated vector.Let u = . Find -3u.
A.
B.
C.
D.
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Decide whether the situation involves permutations or combinations.An arrangement of 7 people for a picture.
A. Permutation B. Combination
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Solve for x.x -
x = 3
A. x = 90 B. x = 45 C. x = -45 D. x = -90
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Find the exact or approximate circumference of the circle, as indicated.Find the approximate circumference. Use ? ? 3.14.
A. 12.874 ft B. 6.437 ft C. 13.196 ft D. 25.748 ft
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