Simplify the absolute value expression.|-23.1|
A. 0
B. 23.1
C. 46.2
D. -23.1
Answer: B
Mathematics
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(a) s (b) p ? s (c) p (d) s p (e) No conclusion can be reached.
Mathematics
Determine the domain of the variable x in the expression.f(x) = 
A. {x|x ? 0} B. {x|x ? 8} C. {x|x ? -8} D. all positive real numbers
Mathematics
Solve the equation by the quadratic formula.7x2 - 21 = 0
A. 
B. ± 
C. ±
D. ±
Mathematics
Identify the numerical coefficient of the term.- 
A. - 
B. 
C. -3
D. 3
Mathematics