Solve the radical equation.
= 7
A. {7}
B. {49}
C. {-49}
D. {14}
Answer: B
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Find the indicated roots.Fifth roots of 1; trigonometric form
A. 1, cos 72° + i sin 72°, cos 144° + i sin 144°, cos 216° + i sin 216°, cos 288° + i sin 288° B. -1, cos 72° + i sin 72°, cos 144° + i sin 144°, cos 216° + i sin 216°, cos 288° + i sin 288° C. 1, cos 36° + i sin 36°, cos 108° + i sin 108°, cos 252° + i sin 252°, cos 324° + i sin 324° D. -1, cos 36° + i sin 36°, cos 108° + i sin 108°, cos 252° + i sin 252°, cos 324° + i sin 324°
Use the information given in the figure.
How many are in B or C?
A. 51 B. 56 C. 48 D. 6
Solve the equation.ex - 2 = 
x + 1
A. 
B. 
C. 
D. 
Solve the problem.Two boats leave a dock together, each traveling in a straight line. One boat travels at 
and the other at 
If the angle between their courses measures 
how far apart are they after 
Round your answer to the nearest tenth of a mile.
A. 25.2 mi B. 20.5 mi C. 27.2 mi D. 17.7 mi