Express in terms of i.- 
A. 2i
B. 2
C. -2i
D. -2
Answer: C
Mathematics
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Find the indicated probability.A card is drawn at random from a standard 52-card deck. Find the probability that the card is not a queen.
A.
B.
C.
D.
Mathematics
Solve the problem.The diagonal of a square has length 9 cm. Find the exact length of a side of the square.
A. 81 cm B. 9 cm C. 25.456 cm D. 12.728 cm
Mathematics
Calculate .v =
A. 3
B. 2
C. 20
D. 2
Mathematics
Evaluate.
A. -258 B. -42 C. 42 D. 1620
Mathematics