Simplify the expression.
?
?
Write the answer without using negative exponents. Assume that the variable is restricted to those numbers for which the expression is defined.
?
A. 
B. ?
C. ?
D. ?
Answer: C
Mathematics
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Solve the problem.Find the center of mass of a tetrahedron of density 
bounded by the coordinate planes and the plane 
.
A. 
= 
, 
= 
, 
= 
B. 
= 
, 
= 
, 
= 
C. 
= 
, 
= 
, 
= 
D. 
= 
, 
= 
, 
= 
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Determine if the sequence is monotonic and if it is bounded.an = 
A. not monotonic; unbounded B. nondecreasing; bounded C. decreasing; bounded D. increasing; unbounded
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Provide an appropriate response.Cost is equal to markup plus selling price.
A. True B. False
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Solve the inequality.x2 + 6x ? 0
A. [0, 6] B. (-?, -6] or [0, ?) C. (-?, 0] or [6, ?) D. [-6, 0]
Mathematics