Solve the double inequality.-20 < -5a ? 0

A. 0 ? a < 4
B. -4 < a ? 0
C. 0 < a < 4
D. 0 ? a ? 4

Answer: A

Mathematics

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A. a2 + 9a + 8 B. a2 + 9a + 9 C. 2a + 8 D. 2a2 + 8

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