Use the commutative property of addition to write an equivalent algebraic expression.x + 9
A. 9 + x
B. x + 9
C. x9
D. 9x
Answer: A
Mathematics
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A. [-2, 3] B. [-2, ?) C. (-?, 3] D. (-?, ?)
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A. k = 6, -6 B. k = 12 C. k = 12, -12 D. k = 6
Mathematics
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A. (-?, 0] or [4, ?) B. [-4, 0] C. (-?, -4] or [0, ?) D. [0, 4]
Mathematics