Solve.The pitch P of a musical tone varies inversely as its wavelength W. One tone has a pitch of 409 vibrations per second and a wavelength of 2.4 ft. Find the wavelength of another tone that has a pitch of 448 vibrations per second.
A. 2.2 ft
B. 0.46 ft
C. 0.000013 ft
D. 76,346.7 ft
Answer: A
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Answer each question appropriately.How many curves y = f(x) have the following properties? i. 
= 8x ii. The graph passes through the point (0,3) and has a horizontal tangent at that point.
A. 1 B. Infinitely many C. 0 D. 2
Find the angle in degrees when given the trigonometric values. ? represents the unknown angle measure.cot ? = 3.511
A. 15.08° B. 15.1° C. 15.900° D. 15.90°
Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 
Solve the problem.The Wellspring Company's fleet of trucks get 16, 13, 17, 13, 16, 13, and 24 miles/gallon. What is the mean miles/gallon for the fleet? Round to the nearest whole number.
A. 15 miles/gallon B. 19 miles/gallon C. 16 miles/gallon D. 17 miles/gallon