Add and simplify the answer: 
+
.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Evaluate the integral.
A. 8100 B. 5400 C. 2700 D. 4050
Mathematics
Solve the problem.In a chemical reaction, the rate at which the amount of a reactant changes with time is proportional to the amount present, such that 
, when t is measured in hours. If there are 
of reactant present when t = 0, how many grams will be left after 
? Give your answer to the nearest tenth of a gram.
A. 2.2 g B. 6.7 g C. 4.5 g D. 0.1 g
Mathematics
Solve the equation.
- 
= 
A. {62}
B. {
}
C. {31}
D. {-31}
Mathematics
Find the square root. When necessary, round to nearest thousandth.
A. 3.316 B. 3.317 C. 3.327 D. 4.317
Mathematics