Solve the problem.The radius of a sphere is given by the formula 
, where S is the surface area. If the surface area is 19,731 square inches, what is the radius? Use 3.14 for ?, and round your answer to the nearest tenth of an inch.
A. 0 inches
B. 70.2 inches
C. 124.5 inches
D. 39.6 inches
Answer: D
Mathematics
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Write the system of equations that corresponds to the augmented matrix.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the system of equations is consistent with independent equations, consistent with dependent equations, or inconsistent. How many solutions does the system have?
A. Consistent with dependent equations; infinite number of solutions B. Inconsistent; no solution C. Consistent with independent equations; one solution
Mathematics
Provide an appropriate response.What is wrong with the following problem? 
0.4
What will be an ideal response?
Mathematics
Solve the equation.-3a + 5 + 4a = 15 - 29
A. 19 B. -19 C. 49 D. -49
Mathematics