The following system does not have a unique solution. Solve the system.

A. x = 0, y = -8, z = 0
B. inconsistent system, no solution
C. x = - , y = , z = 1
D. infinitely many solutions of the form x = - z, y = -8 - z, z = z


Answer: D

Mathematics

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Perform the indicated operation.  Simplify the answer if possible. 

A.
B.
C.
D.
E.
F.

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Multiply or divide as indicated. Write the answer in scientific notation.(5 × 104)(8 × 105)

A. 4 × 109 B. 4 × 1010 C. 4 × 108 D. 4 × 1021

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Mathematics