Use the formula for the general term (the nth term) of a geometric sequence to find the indicated term of the sequence with the given first term, a1, and common ratio, r.Find a12 when a1 = -2, r = -2.
A. -8192
B. 4100
C. 4096
D. -24
Answer: C
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Solve the given applied problems involving variation.The pitch P of a musical tone varies inversely as its wavelength W. One tone has a pitch of 479 vibrations per second and a wavelength of 8.8 ft. Find the wavelength of another tone that has a pitch of 492 vibrations per second.
A. 0.000037 ft B. 0.12 ft C. 26,780.5 ft D. 8.6 ft
Provide an appropriate response.Simplify the following expression: 
Fill in the blank(s) with the appropriate word(s).
Solve the problem.After the eulerization of a graph, the number of odd vertices is
A. not possible to determine without knowing the specific graph. B. the same as the number of even vertices of the graph. C. the same as the number of odd vertices before the eulerization. D. 2. E. 0.
Perform the indicated operations. Write the answer in simplest form.
÷ 
A. 
B. 
C. 
D. 