Shade the region of feasible solutions for the given constraints. x + y ? 3-3x + y ? -7x ? 0, y ? 0
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the problem.Find the centroid of the region cut from the fourth quadrant by the circle x2 + y2 = 16.
A. 
= - 
, 
= 
B. 
= 
, 
= - 
C. 
= 
, 
= - 
D. 
= 
, 
= - 
Mathematics
Solve the equation.
= 
A. -3,-12 B. 3,12 C. -3,12 D. 3,-12
Mathematics
Multiply.(x - 5)(x + 5)(x2 - 25)
A. x4 - 50x2 + 625 B. x4 - 625 C. x4 - 25x2 - 625 D. x4 - 10x2 + 25
Mathematics
Evaluate the expression.(-81)3/4
A. not a real number
B. -27
C. 
D. 
Mathematics