Solve.
- 9 = 8
A. 1
B. -1
C. 289
D. empty set solution
Answer: C
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Solve the problem.Don sells real estate and receives a commission of $790. If his commission rate is 4% of the seller's net, what was the seller's net?
A. $19,750 B. $23,700 C. $9875 D. $79,000
Use the graph to answer the question.
Mike decides to buy shares of companies A, B, and C, which were initially selling for the same price. The changes in each stock's value are shown in the graph above. After how many days did stock C's value go below 
A. 60 B. 80 C. 40 D. 30
Provide an appropriate response.Find all complex square roots of z = 121(cos 60° + i sin 60°). Write each root in standard polar form with the argument in degrees.
A. 11(cos 30° + i sin 30°), 11(cos 210° + i sin 210°) B. 11(cos 60° + i sin 60°), -11(cos 120° + i sin 120°) C. 11(cos 60° + i sin 60°), 11(cos 120° + i sin 120°) D. 11(cos 30° + i sin 30°), 120(cos 210° + i sin 210°)
Subtract. Check by adding.
A. 54,575 B. 48,575 C. 48,569 D. 48,469