Solve the problem.The volume of a sphere is a function of its radius, r, where V(r) = 
?r3. Find the volume of a sphere if its radius is 6 inches. Use 3.14 as an approximation to the value of ?. Round to the nearest tenth if necessary.
A. 150.7 in.3
B. 508.7 in.3
C. 113 in.3
D. 904.3 in.3
Answer: D
Mathematics
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Find the area of the specified region.Inside the circle r = 
sin ? and outside the cardioid r = 1 + cos ?
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Sketch the region described by the following system of inequalities:
What will be an ideal response?
Mathematics
Insert <, >, or = to make the statement true.-0.1 
-1.6
A. > B. = C. <
Mathematics
Solve the system graphically. Do not use a calculator.
A. {(3, 0)} B. {(-3, -3)} C. {(3, 3)} D. {(-3, 3)}
Mathematics