Solve the problem.Find two numbers whose sum is 27 and whose difference is 1.
A. 14 and 13
B. 15 and 16
C. 12 and 15
D. 27 and 0
Answer: A
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Use absolute value notation to describe the situation. The distance between u and -5 is no less than 9.
A. |u? - 5| ? 9 B. |u? - 5| ? 9 C. |u? - 5| < 9 D. |u + 5| > 9 E. |u + 5| ? 9
Solve the problem.Three cards are drawn in order from a well shuffled deck of 52 cards. The probability that all three cards are clubs is given by
A. 
.
B. 
.
C. 
.
D. 
.
E. none of these
Find 
. Write your answer in standard polar form with the argument in radians.z1 = 5(cos 200° + i sin 200°), z2 = 4(cos 50° + i sin 50°)
A. 
(cos 150° - i sin 150°)
B. 
(sin 150° + i cos 150°)
C. 
(cos 250° + i sin 250°)
D. 
(cos 150° + i sin 150°)
The given point lies on the graph of the unit circle and corresponds to a real number t. Find the value of the indicated trigonometric function of t.
Find cos t.
A. - 
B. 
C. 
D. - 