Solve.After being struck with a hammer, a gong vibrates 18 vibrations in the first second and in each second thereafter makes 
as many vibrations as in the previous second. Find how many vibrations the gong makes before it stops vibrating.
A. 22 vibrations
B. 27 vibrations
C. 54 vibrations
D. 64 vibrations
Answer: C
Mathematics
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Solve the problem.Evaluate 
at t = 7 for the function w(x, y) = ey - ln x; x = t2, y = ln t.
A. 5
B. 
C. - 
D. 
Mathematics
Find the perimeter or circumference. Use ? ? 3.14 when needed.A polygon whose side lengths are 5.8 ft, 4.63 ft, 2.22 ft, 8 ft, and 2.6 ft
A. 15.69 ft B. 23.25 ft C. 16.05 ft D. 8.49 ft
Mathematics
Find the first five terms of the geometric sequence.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Find the integral.
A. 
x4(x4 + 3)3/2 + C
B. 
+ C
C. 
(x4 + 3)3/2 + C
D. 
(x4 + 3)3/2 + C
Mathematics