Write the expression in the standard form a + bi.
3
A. -4
- 4
i
B. -4
+ 4
i
C. 4
- 4
i
D. 4 - 4
i
Answer: C
Mathematics
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dx = 
+ C?
A. No B. Yes
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If the given sequence is a geometric sequence, find the common ratio.
, 
, 
, 
, 
A. 2
B. 9
C. 
D. 
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Solve.The approach ramp used by a daredevil motorcyclist for flying over a collection of flaming railroad ties has a rise of 63 feet for every 90 feet in horizontal distance. Find the grade of the ramp. Round to the nearest whole percent.
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