Write the power of i as i, -1, -i, or 1.i4
A. 1
B. i
C. -1
D. -i
Answer: A
Mathematics
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Factor the binomial completely.729 - t3
A. (9 + t)(81 - 9t + t2) B. (9 + t)(81 - t2) C. (9 - t)(81 + 9t + t2) D. (9 - t)(81 + t2)
Mathematics
Solve the problem.A rock falls from a tower that is 117.6 m high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground (h=0)?
A. 2,800 s B. 10.8 s C. 4.9 s D. 10.6 s
Mathematics
Write the percent as a fraction or mixed number in lowest terms.0.1%
A. 
B. 
C. 
D. 
Mathematics
Write the expression in interval notation. Graph the interval.9 < x
A. (-?, 9)
B. (9, ?]
C. [-?, 9)
D. (9, ?)
Mathematics