Use a special product formula to simplify.[(x + 9) - y][(x + 9) + y]
A. x2 + 18x + 81 + 2xy + 18y - y2
B. x2 + 18x + 81 + y2
C. x2 + 81 - y2
D. x2 + 18x + 81 - y2
Answer: D
Mathematics
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A. (-6, 4) B. (-4, 3) C. No solution D. (3, -5)
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A) n > -8 B) n > 2 C) n < -10 D) n < -8 E) No solutions exist
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Write the exponential equation as an equation involving a logarithm.3-2 = 
A. log3-2 = 
B. log-2
= 3
C. log1/93 = -2
D. log3
= -2
Mathematics