Expand, where i2 = -1.(1 + i)8
A. -64
B. 
C. 16
D. 
Answer: C
Mathematics
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Use the principle of square roots to solve the equation.(x + 9)2 - 2 = 0
A. -7, 11
B. 9 ± 
C. -3 ± 
D. -9 ± 
Mathematics
Solve the problem.If h(x) = x2 + 5x - 14 , solve h(x) > 0.
A. (2, ?) B. (-?, -7) or (2, ?) C. (-7, 2) D. (-?, -7)
Mathematics
Solve the problem.The distance d, in feet, a bomb falls in t seconds is given by 
How many seconds are required for a bomb released at 7000 feet to reach its target? (If necessary, round your answer to two decimal places.)
A. 1210.19 seconds B. 382.18 seconds C. 37.82 seconds D. 75.64 seconds
Mathematics
Evaluate.
A. 5,527,200 B. 6,247,500 C. 124,950 D. 281,887,200
Mathematics