Write the expression in the standard form a + bi.
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
- 
i
Answer: B
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A. well defined B. not well defined
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A. 6 cm B. 5.33 cm C. 1 cm D. 3 cm
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A. at least $3530 B. at least $3050 C. at least $3063 D. at least $3130
Translate the statement into a mathematical expression.Find the value of x $20-bills.
A. x - 20
B. 20 + x
C. 
D. 20x