Solve the system algebraically.y = 20x27x + y = 3
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Answer: D
Mathematics
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Perform the indicated operation and simplify. Write the answer in the form a + bi.(5 - 8i)2
A. -39 B. 10 - 16i C. -39 - 80i D. 25 + 64i
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Find the indicated value.Let f(x) = 5x + 4x. Find f(2).
A. 29 B. 81 C. 21 D. 41
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Perform the indicated operations.(62 - 95)(45 - 92)
A. 21,509 B. -1551 C. 1551 D. 11,530
Mathematics
Find the domain of the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics