Solve for x in the given interval.tan x = -1, 
? x ? 2?
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Use a special product formula to simplify.(6w + 11m)(11m - 6w)
A. 121m2 - 132mw - 36w2 B. 121m2 - 36w2 C. 121m2 + 132mw - 36w2 D. 11m2 - 6w2
Mathematics
Find the square of the radical expression.
A. 5
B. 
C. 10
D. 25
Mathematics
To solve the linear programming problem, Minimize 50x + 70x subject to 
,we can use the simplex method on its dual. What is the objective function of the dual problem?
A. u + 5v B. 70u + 50v C. u + 3v D. 6u + 24v E. none of these
Mathematics
Solve the problem.A certain noise measures 63 decibels. If the intensity is multiplied by 1000, how many decibels will the new noise measure? 
A. 66 decibels B. 93 decibels C. 189 decibels D. 63,000 decibels
Mathematics