Solve the system by elimination. x - 3y = 2-4x - 2y = -8
A. {(3, 2)}
B. {(2, 0)}
C. {(-2, -1)}
D. ?
Answer: B
Mathematics
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Find Dxy.y = sinh-1 
A. 
B. 
C. 
D. 
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Write as a decimal.
%
A. 0.5175 B. 0.5125 C. 5.1025 D. 0.0535
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Solve area problem.The diameter of a discus is about 8.6 in. What is the area of one flat surface of the discus? (Round to the nearest hundredth.)(Use 3.1 4 for ? .)
A. 58.06 in.2 B. 27 in.2 C. 29.03 in.2 D. 232.23 in.2
Mathematics
Find the product.(m - n)(m2 + mn + n2)
A. m3 - n3 B. m3 + 2m2n + 2mn2 - n3 C. m3 + n3 D. m3 - 2m2n - 2mn2 - n3
Mathematics