Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(8 + 
)(8 - 
)
A. 64 - 
B. 59
C. 39
D. 64 - 
Answer: D
Mathematics
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Graph on a number line.-4.17
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.The solution of (x + 9)(x - 1)(x - 5) ? 0 is
A. x ? -9, 1 ? x ? 5. B. -9 ? x ? 1, x ? 5. C. x ? -9. D. x ? 5. E. -9 ? x ? 1.
Mathematics
Multiply or divide, as indicated. Simplify the answer.
A. -2i B. -2 C. 2 D. 2i
Mathematics
Prove the identity.cos (270° - ?) = 
What will be an ideal response?
Mathematics