Solve the problem.The function A = Aoe-0.01155x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 200 pounds of the material are initially put into the vault, how many pounds will be left after 150 years?
A. 250 pounds
B. 40 pounds
C. 35 pounds
D. 152 pounds
Answer: C
Mathematics
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Decide whether the pair of lines is parallel, perpendicular, or neither.9x + 3y = 1215x + 5y = 23
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A. 
B. 
C. 
D. 
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