What percentage of the figure is shaded? Round to the nearest tenth of a percent, when necessary.
A. 56.3%
B. 53.1%
C. 28.1%
D. 62.5%
Answer: B
Mathematics
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Solve the problem.Water is falling on a surface, wetting a circular area that is expanding at a rate of 
How fast is the radius of the wetted area expanding when the radius is 
(Round your answer to four decimal places.)
A. 0.0089 mm/s B. 112.4689 mm/s C. 0.0559 mm/s D. 0.0178 mm/s
Mathematics
Evaluate the given binomial coefficient.
A. 504 B. 126 C. 30,240 D. 252
Mathematics
The augmented matrix of a system of equations has been transformed to an equivalent matrix in row-echelon form. If the system is consistent, then give the solution. If it is not, then state that it is inconsistent.
A. (2, 5) B. (5, 2) C. (4, - 2) D. Inconsistent
Mathematics
Graph.f(x) = x + 2
A. 
B. 
C. 
D. 
Mathematics