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 a10 when a1 = 2000, r = 
.
A. 2003
B. 
C. 
D. 
Answer: B
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Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion. B. I is not a proportion, II is a proportion. C. I and II are both proportions. D. Neither I nor II are proportions.
Solve.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. 26,780.5 ft B. 0.000037 ft C. 0.12 ft D. 8.6 ft
Use the appropriate geometric formula from the following list to find the requested measure. 
The area of two squares, each with a side measuring 12 yards
A. 48 sq yd B. 144 sq yd C. 139 sq yd D. 288 sq yd
The graph of a function is given. Decide whether it is even, odd, or neither.
A. even B. odd C. neither