Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets.y = -5x - 4-10x - 2y = 8
A. ?
B. {(0, 0)}
C. {(x, y) | 5x + y = -4}
D. {(0, -4)}
Answer: C
Mathematics
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A. 52 B. 5 ? 67 C. 52 ? 67 D. 5 ? 65
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< ? < ?; cos ? =
, 0 < ? <
Find sin (? - ?).
A. -
B.
C.
D.
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A.
B. -2
C. -
D.
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