Classify the angle as acute, right, obtuse, or straight.5.54°
A. straight
B. right
C. obtuse
D. acute
Answer: D
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Solve the problem.During clinical trials of a new drug intended to reduce the risk of heart attack, the following data indicate the occurrence of adverse reactions among 1100 adult male trial members. What is the probability that an adult male using the drug will experience nausea? 
A. 2.18% B. 2.36% C. 28.57% D. 1.82%
Solve the problem.The owner of a video store has determined that the cost C, in dollars, of operating the store is approximately given by 
where x is the number of videos rented daily. Find the lowest cost to the nearest dollar.
A. $262 B. $622 C. $478 D. $406
Express the given trigonometric function in terms of the indicated function.sin ? in terms of csc ?
A. 
B. 
C. ±
D. 
Do the operation and express the answer in a + bi form.
A) - 13 - 11 i B) - 13 + 11 i C) 13 + 11 i D) - 13 + 22 i E) 13 - 11 i