Solve the absolute value equation.
- 8 = 4
A. x = -1, 15
B. no solution
C. x = -33, 15
D. x = 15
Answer: C
Mathematics
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Solve the system of equations. x - y + 2z = 25x + z = 0 x + 5y + z = -10
A. {(0, -2, 2)} B. ? C. {(0, 0, -2)} D. {(0, -2, 0)}
Mathematics
Perform the indicated operation.
- 
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.
+ sec x cos x
A. 1 B. sec2 x C. tan2 x D. csc2 x
Mathematics
Simplify.15 ÷ 1
A. 1 B. 15 C. undefined D. 0
Mathematics