Solve the system using Gaussian elimination. 2x + 5y = 2 5x= -20
A. {(-4, 2)}
B. {(-4, -2)}
C. ?
D. {(2, -4)}
Answer: A
Mathematics
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Rationalize the denominator. 
A. 
B. 
C. 
D. 
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Multiply in the indicated base.
A. 101012 B. 11002 C. 101002 D. 101102
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Decide whether or not the functions are inverses of each other.f(x) = 
, g(x) = 
A. Yes B. No
Mathematics
Solve the problem.One week in March in the town of Clearfield, it rained 1.14 inches on Monday, 2.76 inches on Wednesday, and 2.31 inches on Friday. It didn't rain the other four days. What was the total rainfall for the week?
A. 6.21 inches B. 6.31 inches C. 6.11 inches D. 6.22 inches
Mathematics