Find the indicated root or state that the expression is not a real number.
A. not a real number
B. 5
C. -5
D. -25
Answer: A
Mathematics
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Find the area of the shaded region.y = x2 - 4x + 3
A. 
B. 
C. 
D. 3
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Use an identity to find the value of the expression. Do not use a calculator.sin2 70° + cos2 70°
A. 0.70 B. 0 C. 0.49 D. 1
Mathematics
What type of control system uses both financial and strategic controls simultaneously?
A. organizational control system B. entrepreneurial control system C. opportunistic control system D. balanced scorecard control system
Mathematics
Perform the indicated operations.2.7 - (-7.5) - (-5.1)
A. 0.3 B. -9.9 C. -15.3 D. 15.3
Mathematics