Solve the proportion problem.A recent advertisement claimed that 2 out of every 7 doctors recommend a certain herbal supplement to increase energy levels. If a local hospital employs 230 doctors, how many doctors would you expect to recommend the supplement? (Round your answer to the nearest whole number, if necessary.)
A. 3220 doctors
B. 805 doctors
C. 66 doctors
D. 33 doctors
Answer: C
Mathematics
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A. 
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D. 
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A. 4 B. 8 C. -4 D. not a real number
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Solve the problem.Find the amount financed if a $60 down payment is made on a camera with a cash price of $230.
A. $60 B. $230 C. $312.42 D. $170
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Find the axis of the graph of the function.f(x) = 2x2 - 8x + 16
A. x = 2 B. x = 8 C. x = 0 D. x = -7
Mathematics