Solve the problem.The radiator in a certain make of car needs to contain 
of 40% antifreeze. The radiator now contains 
of 20% antifreeze. How many liters of this solution must be drained and replaced with 100% antifreeze to get the desired strength?
A. 25 liters
B. 12.5 liters
C. 20 liters
D. 16.7 liters
Answer: B
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Add.27135815
A. 11,063 B. 10,874 C. 11,084 D. 10,084
Provide an appropriate response.The rational expression 
describes the cost, in millions of dollars, to inoculate x percent of the current population of cattle against a particular virus. Choose which of the following statements are true with regard to this mathematical model.I. The expression will be undefined when x = 100.II. The cost of inoculating 90 percent of cattle is 800 million dollars more than the cost of inoculating 70 percent of cattle.III. This expression will calculate inoculation costs for any population of cattle, no matter what the size.
A. All three statements are true. B. Only II and III are true. C. Only I and III are true. D. Only I and II are true.
Express the number in decimal notation.6.408 × 10-5
A. 0.00006408 B. 0.000006408 C. 0.0006408 D. -640,800
Find the domain and graph the function.g(x) = -9 + 2x - x2
A. D: (-?, - 8]
B. D: (-?, ?)
C. D: (-?, ?)
D. D: (-?, ?)