Solve the equation.
x = 
A. {3}
B. {-3}
C. 
D. 
Answer: B
Mathematics
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Solve the problem.If three cards are successively dealt from a 52-card deck without replacement, in how many ways could they be a face card, then a spade, and then a heart?
A. 1862 B. 1950 C. 936 D. 1248
Mathematics
Solve.The price of a stock rose 1 points, fell 13 points, and again fell 7 points. What was the stock's total change?
A. -19 points B. -5 points C. 21 points D. -21 points
Mathematics
Simplify. (-2y5)4
A. 16y9 B. -2y9 C. 16y20 D. -2y20
Mathematics
If the given sequence is a geometric sequence, find the common ratio.
, 
, 
, 
, 
A. 2
B. 9
C. 
D. 
Mathematics