Write the expression in standard form.
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
+ 
i
Answer: B
Mathematics
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Find ? to four significant digits for 0 ? ? < 2?.csc ? = 3.518
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Solve the equation.log 9
= x
A. 
B. 
C. 
D. 
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Use the x-intercepts to find the intervals on which the graph of f is above and below the x-axis.f(x) = (x + 10)2
A. above the x-axis: (-?, -10), (-10, ?) below the x-axis: no intervals B. above the x-axis: no intervals below the x-axis: (-?, -10), (-10, ?) C. above the x-axis: (-10, ?) below the x-axis: (-?, -10) D. above the x-axis: (-?, -10) below the x-axis: (-10, ?)
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Evaluate using a number line.-6 + (-7) 
A. 1 B. -13 C. -1 D. 13
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