Add or subtract as indicated. Express the answer as a single polynomial in standard form.(4x5 + 8x2) + (2x5 + 6x2)
A. 20x14
B. 6x5 + 14x2
C. 6x10 + 14x4
D. 20x7
Answer: B
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Find the indicated roots. Write the answer in trigonometric form.Fifth roots of 32(cos 320° + i sin 320°)
A. 2(cos 64° + i sin 64°), 2(cos 136° + i sin 136°), 2(cos 208° + i sin 208°), 2(cos 280° + i sin 280°), 
B. 2(cos 320° + i sin 320°), 2(cos 410° + i sin 410°), 2(cos 500° + i sin 500°), 2(cos 590° + i sin 590°), 
C. 2(cos 64° + i sin 64°), 2(cos 154° + i sin 154°), 2(cos 244° + i sin 244°), 2(cos 334° + i sin 334°), 
D. 2(cos 320° + i sin 320°), 2(cos 392° + i sin 392°), 2(cos 464° + i sin 464°), 2(cos 536° + i sin 536°), 
A bag contains 2 nickels, 9 dimes, and 8 quarters. If you draw 3 coins at random from the bag, without replacement, what is the probability that you will get a nickel (N), a quarter (Q), and a nickel (N), in that order?
Find the indicated probability.A lottery game has balls numbered 1 through 19. If a ball is selected at random, what is the probability of obtaining an even numbered ball or the number 12 ball?
A. 
B. 
C. 9
D. 
Complete the identity.
= ?
A. cot (6?) B. 0 C. tan (3?) tan (6?) D. -tan (6?)