Use the Laws of Exponents to simplify. Write the answer with positive exponents. All variables are nonzero.
A. 
B. 
C. 2x21
D. 2x3
Answer: A
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Solve the problem.The kind of symmetries found in the wallpaper pattern shown below are the identity and
A. translations and horizontal reflections only. B. translations and vertical reflections only. C. translations only. D. translations and 180° rotations only. E. none of these
Combine the following, if possible.5
+ 18
A. 23
B. 23
C. 90
D. 5
+ 18
Determine whether the system is consistent or inconsistent and whether the equations are dependent or independent.-3x + 3y = 156x + 5y = 91
A. Inconsistent; independent B. Consistent; independent C. Consistent; dependent D. Inconsistent; dependent
Write an equivalent expression. Use an associative law.(2 + u) + v
A. v + (2 + u) B. (2 + v) + u C. 2 + (u + v) D. (u + 2) + v