Perform the indicated operation. Write your result in a + bi form.
A. 
- 
i
B. 3 + 
i
C. 
+ 
i
D. 
+ 
i
Answer: D
Mathematics
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The inside area of a square garden has an area of (x+4)^2 - x^2, where x represents the length of the side of the outside of the garden. Simplify this expression.
What will be an ideal response?
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Use a calculator to approximate the root to the nearest thousandth.
A. 713.000 B. 26.702 C. 26.707 D. 26.699
Mathematics
Round the number as requested.92,241 to the nearest thousand
A. 93,000 B. 92,100 C. 92,000 D. 102,000
Mathematics
Solve.Approximately 20.9% of all students at a city college commute to school. Write this percent as a fraction or mixed number in simplest form.
A. 
B. 20
C. 
D. 2
Mathematics