Solve the system in terms of the arbitrary variable listed.x;3x + 2y + z = 42x - 3y - z = 5
A. {(x, -5x + 9, -13x + 22)}
B. {(x, -5x - 9, -13x + 22)}
C. {(x, 5x + 9, -13x + 22)}
D. {(x, 5x - 9, -13x + 22)}
Answer: D
Mathematics
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Solve by isolating the absolute value and using the absolute value property.|5k + 2| + 3 = 9
A. 
B. 
C. 
D. ?
Mathematics
By making a table of both the left and right sides of the equation, conjecture if the equation represents an identity. sec ? = tan ? csc ?
A. No B. Yes
Mathematics
Write the number in scientific notation.0.000000998016
A. 9.98016 × 106 B. 9.98016 × 10-6 C. 9.98016 × 107 D. 9.98016 × 10-7
Mathematics
Compute the square root.
A. 10 B. 8 C. 6561 D. 9
Mathematics