Solve the problem.The volume of space in a landfill, measured in meters cubed, decreases with time as given by the function 
where t is measured in years. How much space is left when t = 31?
A. 210 m3
B. 200 m3
C. 110 m3
D. 380 m3
Answer: B
Mathematics
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Solve the problem.Write 
+ 
as a single iterated integral.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Perform the indicated operation. Write answer with positive exponents: 
What will be an ideal response?
Mathematics
Provide an appropriate response.Reduce the matrix: 
What will be an ideal response?
Mathematics
Write interval notation for the graph.
A. [0, 4) B. [-4, 0] C. [0, 4] D. (-4, 0)
Mathematics