Solve the problem.After being struck with a hammer, a gong vibrates 48 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. 55 vibrations
B. 60 vibrations
C. 240 vibrations
D. 250 vibrations
Answer: C
Mathematics
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Solve the equation on the interval [0, 2?).cos
- cos
= 1
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics
Use the square root method to solve the equation. y2 = 5
A. 25
B. ±
C. 
D. 2.5
Mathematics
Factor completely.x2 + 59x + 60
A. Prime B. (x + 10)(x - 6) C. (x + 60)(x - 1) D. (x - 10)(x + 6)
Mathematics
Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.80 L = 
gal
A. 36.0 gal B. 20.8 gal C. 84.8 gal D. 18.9 gal
Mathematics