The decibel scale is a logarithmic scale.
Answer the following statement true (T) or false (F)
True
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Provide an appropriate response.Increasing the initial speed of a projectile by a factor of 9 increases its range by what factor? Assume the elevation is the same.
A. Factor of 9 B. Factor of 3 C. The elevation must be specified before an answer can be found. D. Factor of 81
Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. 
B. 
C. cannot be simplified
D. 
Solve the problem. Round to the nearest tenth.A comet follows the hyperbolic path described by 
- 
= 1, where x and y are in millions. If the sun is the focus of the path, how close to the sun is the vertex of the path?
A. 4.8 million B. 3.9 million C. 0.5 million D. 19 million
Solve the problem.An upholsterer wants to reupholster 180 chairs for a banquet hall. If each chair needs 
pound of brass tacks, how many pounds of brass tacks are needed?
A. 30 pounds B. 1080 pounds C. 3 pounds D. 108 pounds