Solve the problem. Leave your answer in polar form.z = 5(cos 200° + i sin 200°)w = 4(cos 50° + i sin 50°)Find 
.
A. 
(cos 40° + i sin 40°)
B. 
(cos 150° + i sin 150°)
C. 
(cos 40° + i sin 40°)
D. 
(cos 150° + i sin 150°)
Answer: D
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Find the missing parts of the triangle. A = 78°a = 36 ydb = 73 ydIf necessary, round angles to the nearest degree and side lengths to the nearest yard.
A. B = 73°, C = 29°, c = 79 yd B. B = 29°, C = 73°, c = 75 yd C. no such triangle D. B = 29°, C = 73°, c = 81 yd
In order to be successful, a company must create value that
A. exceeds the costs incurred to produce, distribute and service products for customers. B. is unique and inexpensive. C. is hard to imitate and more expensive than what is offered by other firms. D. surpasses benchmarking targets.
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
Find the algebraic expression that is equal to cos (180° - ?). ?
A. 
B. -sin ?
C. sin ?
D. -cos ?
E. cos ?