Simplify the expression. If any variables exist, assume that they are positive.4
+ 
A. 16
B. 8
C. 5
D. 4
+ 
Answer: B
Mathematics
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Test the equation for symmetry with respect to the given axis, line, or pole.r2 = sin 2?;
the pole
A. may or may not have symmetry with respect to the pole B. has symmetry with respect to the pole
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Evaluate.
2
A. - 
B. 
C. - 
D. 
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State the quadrant in which the point lies.(-2.4, 23)
A. Quadrant I B. Quadrant IV C. Quadrant III D. Quadrant II
Mathematics
Solve the system.x - y - 5z = 6 y + 3z = 2x + y + z = 10
A. (0, 0, 10) B. (2z - 8, -3z - 2, z) C. (2z + 8, -3z + 2, z) D. No solution
Mathematics