Solve the problem.The number of acres in a landfill is given by the function 
where t is measured in years. How many acres will the landfill have after 8 years? (Round to the nearest acre.)
A. 1944 acres
B. 1155 acres
C. 2657 acres
D. 1154 acres
Answer: A
Mathematics
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Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by y = 
, on the right by the line 
, and above by the line y = 2
A. 3?
B. 
?
C. 
?
D. 9?
Mathematics
Find the square root.
A. 1
B. 
C. 6
D. 3
Mathematics
The cost C (in millions of dollars) of removing p% of the industrial and municipal pollutants discharged into a river is given by
?
.
?
Select the correct graph of the cost function.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Factor, if possible.y2 + 9y + 20
A. (y - 5)(y - 4) B. (y - 5)(y + 4) C. (y + 20)(y + 1) D. (y + 5)(y + 4)
Mathematics