Use Cramer's Rule to solve the system of equations. Use technology to compute the determinants involved.

A. {(5, -2, -4)}
B. {(6, 0, 4)}
C. {(5, 2, 4)}
D. {(2, 4, 2)}


Answer: C

Mathematics

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Perform the indicated operations and simplify the result. Leave the answer in factored form.

A. 16
B. 1
C.
D.

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Answer the question.What does the digit 5 mean in the number 985,121?

A. ten-thousands B. thousands C. hundred-thousands D. hundreds

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Solve the inequality. Give the solution set in both set-builder notation and graph form.-17 ? 8x - 9 and 9x + 1 < 28

A.
 
B.
 
C.
 
D.
 

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Use mathematical induction to prove that the statement is true for all positive integers m.Identify the first step of the solution. 

A. Prove for .
B. For is true.
C. For . It's true.

Mathematics