Find an algebraic expression that represents the area of the shaded region. 
9x + 10
A. 72x2 - 10x - 100
B. 72x2 - 10x + 100
C. 72x2 - 90x - 100
D. 72x2 + 170x - 100
Answer: A
Mathematics
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A. 0.333 B. 0.167 C. 0.577 D. 1.155
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The tension T at each end of the chain has magnitude 27 N and makes an angle ?a=27 °with the horizontal. What is the weight of the chain? Round the result to the nearest hundredth.
 Figure 3.png)
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A. (-?, -7] B. (-?, -7] ? [0, ?) C. [-7, 0] D. [0, ?)
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Multiply.(0.5x5)(-0.3x2)
A. -0.15x10 B. -0.15x7 C. 0.15x10 D. 0.15x7
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