Solve the problem.In a certain coastal basin, the sea water contains 3.4 grams of salt per 1000 milliliters of water. How many grams of salt would be in 2 liters of the sea water?
A. 6.8 grams
B. 680 grams
C. 68 grams
D. 0.068 grams
Answer: A
Mathematics
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Evaluate the integral.
A. 
B. 
C. 
D. 
Mathematics
Divide, when possible.
A. Undefined B. 0 C. 1097 D. 1
Mathematics
Solve the problem.The concentration of a drug in the bloodstream, measured in milligrams per liter, can be modeled by the function, 
where t is the number of minutes after injection of the drug. When will the drug be at its highest concentration? Approximate your answer rounded to two decimal places.
A. at the time of injection B. t = 4 minutes after the injection is given C. t = 3.65 minutes after the injection is given D. t = 0.55 minutes after the injection is given
Mathematics
Rationalize the denominator. Assume variables represent non-negative values.
A. 
B. 3
C. 487
D. 
Mathematics