Solve the problem.The decay of 956 mg of an isotope is given by 
where t is time in years. Find the amount left after 33 years.
A. 311 mg
B. 161 mg
C. 925 mg
D. 322 mg
Answer: D
Mathematics
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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = sin 5yi + cos 9xj; C is the rectangle with vertices at (0, 0), 
, 
, and 
A. - 
?
B. 
?
C. 0
D. - 
?
Mathematics
Find the absolute value.
A. 12 B. -6 C. 6 D. 0
Mathematics
Convert the capacity or volume as indicated. Round the answer to two decimal places.15 liters to quarts
A. 15.9 qt B. 14.25 qt C. 56.85 qt D. 3.9 qt
Mathematics
Calculate.9 ? 2 - 9 ? 82 + 6( 9 - 3)
A. -507 B. -90 C. -522 D. -5130
Mathematics