Solve the problem.Nikki is fishing from a bank 42 feet above water level. In this location, the fish tend to feed at 46 feet below the surface. How long must Nikki's fish line be to reach the fish?
A. -4 feet
B. 4 feet
C. -42 feet
D. 88 feet
Answer: D
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Convert the length as indicated. Round the answer to two decimal places.92 yards to meters
A. 100.28 m B. 28.05 m C. 84.4 m D. 301.76 m
A person standing 140 centimeters from a mirror notices that the angle of depression from his eyes to the bottom of the mirror is 14°, while the angle of elevation to the top of the mirror is 13°. Find the vertical dimension of the mirror (see the figure). Round to the nearest centimeters.
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Apply the rules regarding the use of significant digits when determining your answer.
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Vertical dimension of mirror = __________ cm
Fill in the blank(s) with the appropriate word(s).
Complete the identity.
= ?
A. 2 sin (5?) sin (2?) B. 2 sin (10?) C. tan (2?). D. 2 cos (5?) sin (2?)
Solve the problem.The average number of vehicles waiting in line at a toll booth of a super highway is modeled by the function 
, where x is a quantity between 0 and 1 known as the traffic intensity. What happens to the average number of vehicles waiting as traffic intensity increases?
A. The average number of vehicles waiting decreases. B. The average number of vehicles waiting decreases at first, but then increases. C. The average number of vehicles waiting increases. D. The average number of vehicles waiting remains constant.