Solve the system of equations by substitution. x + 7y = -23x + y = 34
A. (12, -2)
B. (7, 12)
C. (-2, 3)
D. (3, 7)
Answer: A
Mathematics
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and 
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(x) of a continuous function f is shown. On what intervals is f decreasing?
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Construct a truth table for the compound statement.~s ? ~p
A. 
B. 
C. 
D. 
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Solve the exponential equation and approximate the result, correct to three decimal places.ex + e-x = 7
A. 1.9248, -1.9248 B. 1.9657, -1.9657 C. 1.5194, -2.3303 D. 1.9194, -1.6962
Mathematics