Perform the indicated operations and write the answer in the form 
where a and b are real numbers.(-6 - 8i)(-6 + 8i)
A. 100
B. 36 + 64i2
C. -28
D. 36 - 64i2
Answer: A
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An empty swimming pool can be filled in 11 hours. When full, the pool can be drained in 25 hours. How long will it take to fill the empty pool if the drain is left open? ?
A. 27 hours B. 21 hours C. 20 hours D. 22 hours E. 19 hours
Use the Venn diagram to find the requested set.Find A ? B.
A. {b, j} B. {e, b, j, h, m, t} C. {e, b, j, h, q, m, t} D. {q}
Solve the inequality.x2 + 6x ? 0
A. (-?, 0] or [6, ?) B. [-6, 0] C. [0, 6] D. (-?, -6] or [0, ?)
To determine the distance between two aircraft, a tracking station continuously determines the distance to each aircraft and the angle A between them (see figure). Determine the distance a between the planes when A = 44°, b = 37 miles, and c = 22 miles.
?
?
A. 35.60 miles B. 31.81 miles C. 26.11 miles D. 11.27 miles E. 54.99 miles