Perform the indicated operation(s). Simplify if possible.
- 
A. 
B. 4x
C. 4
D. 
Answer: C
Mathematics
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Find the solution set for the inequality.|x| > 6
A. {x|-6 < x < 6} B. {x|x < -6 or x > 6} C. {x|0 ? x < 6} D. {x|x > 6 and x < -6}
Mathematics
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
= 
+ 
A. Identity, {x
-1}
B. Conditional, {3}
C. Inconsistent, ?
D. Conditional, 
Mathematics
Simplify the radical expression. Assume all variables represent nonnegative real numbers.
A. 405x
B. 9x
C. 9
D. 9x
Mathematics
Solve the equation by factoring.x2 - x - 56 = 0
A. x = -7 or x = 8 B. x = 8 C. x = -8 or x = 7 D. x = -8
Mathematics