Use Cramer's rule to solve the system of equations. If D = 0, use another method to determine the solution set.-5x + 2z = -26 7x + 9y + 4z = 113-9x - 6y = -96
A. ({7, 5, 2)}
B. {(7, 2, 7)}
C. {(6, -7, -2)}
D. {(6, 7, 2)}
Answer: D
Mathematics
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. Restrict your attention to the horizontal span of 0 to 5. Round your answer to two decimal places if necessary.
?
A. 2.12 B. 0.75 C. 0.97 D. 2.05
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Use the root test to determine if the series converges or diverges.
A. Converges B. Diverges
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Find the standard deviation.11, 17, 11, 12, 22, 11, 19, 23, 24, 19
A. 16.9 B. 18 C. 25.1 D. 5
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Use the given information to find the exact value of the trigonometric function.sin ? = - 
; The terminal side of ? lies in Quadrant IV.
Find sin 
.
A. - 
B. 
C. - 
D. 
Mathematics