Perform the indicated operations. Simplify, if possible.
+ 
- 
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.The pitch P of a musical tone is inversely proportional to its wavelength W. One tone has a pitch of 206 vibrations per second and a wavelength of 13.1 ft. Find the wavelength of another tone that has a pitch of 348 vibrations per second. Round to the nearest tenth.
A. 5472.4 ft B. 0.000183 ft C. 0.13 ft D. 7.8 ft
Establish the identity.
= 
What will be an ideal response?
The graph below shows the percentage of students enrolled in the College of Engineering at State University. Use the graph to answer the question.
Approximate the year that 12% of students were enrolled.
A. 1975 B. 1965 C. 1970 D. 1980
Identify the equation as either an identity or not.2 cos 5x sin x = sin 6x + sin 4x
A. Not an identity B. Identity