Solve the following system of equations by substitution. If both variables cancel out, state the solution as no solution or infinitely many solutions.3x + y = 86x + 2y = 16

A. (5, -7)
B. no solution
C. (0, 8)
D. infinitely many solutions


Answer: D

Mathematics

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Find the limit of the sequence if it converges; otherwise indicate divergence.an = (-1)n 

A. 1 B. 0 C. 7 D. Diverges

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Multiply. Assume that no radicands were formed by raising negative numbers to even powers.(9 - )

A. 8 
B. 9  - 2
C. 9  - 2 
D. 9  - 2

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The graph of a logarithmic function is shown. Select the function which matches the graph.

A. y = log(1 - x) B. y = 1 - log x C. y = log x - 1 D. y = log(x - 1)

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Find the volume of sphere with radius 12.3in.

What will be an ideal response?

Mathematics