Use a proportion to solve the problem.On a map, the length of a nature-center trail is 6.3 centimeters. If the scale is 1 centimeters to 23 kilometers, what is the actual length of the trail?
A. 145.9 km
B. 289.8 km
C. 148.9 km
D. 144.9 km
Answer: D
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Provide an appropriate response.For approximately what values of x can sin x be replaced by 
with an error of magnitude no greater than 
?
A. |x| < 0.27495 B. |x| < 0.33064 C. |x| < 0.36889 D. |x| < 0.42537
Solve the problem.A force of 1300 lb compresses a spring from its natural length of 15 in. to a length of 14 in. How much work is done in compressing it from 14 in. to 7 in.?
A. 41,000 lb?in. B. 0.024 lb?in. C. 82,000 lb?in. D. 32,000 lb?in.
Evaluate the expression.(42)-3
A. -24
B. -48
C. 
D. 
Solve the problem.In a wallpaper pattern,
A. there is translation symmetry in at least four different directions. B. there is translation symmetry in exactly one direction. C. there is translation symmetry in at least two different directions. D. there may or may not be translation symmetry. E. none of these