Solve the system.x - z = 1y + z = 9x + z = 5

A. {(1, 9, 0)}
B.
C. {(6, 14, 4)}
D.


Answer: D

Mathematics

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Solve the problem.A $166,000 trust is to be invested in bonds paying 7%, CDs paying 5%, and mortgages paying 9%. The bond and CD investment must equal the mortgage investment. To earn an $12,480 annual income from the investments, how much should the bank invest in bonds?

A. $43,000 B. $40,000 C. $41,000 D. $83,000

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Determine whether the given function is even, odd, or neither even nor odd.

A. Even B. Neither C. Odd

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Write sigma notation.4 + 8 + 16 + 32 + 64

A.
B.
C.
D.

Mathematics