Evaluate.3 - 7x, for x = 5
A. 38
B. -20
C. 32
D. -32
Answer: D
Mathematics
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Multiply and simplify.
? 
A. 
B. 
C. - 
D. - 
Mathematics
Solve the problem. Express your answer as an integer or simplified fraction.
- 4 = 
- 3
A. - 14 B. - 6 C. 14 D. - 2
Mathematics
Solve the problem.If two cards are drawn without replacement from an ordinary deck, find the probability that the second card is an ace, given that the first card was an ace.
A. 
B. 
C. 
D. 
Mathematics
Solve the system by the substitution method.
?
?
A. 
B. 
C. 
D. 
E. inconsistent
Mathematics