Solve.A recent advertisement claimed that 2 out of every 5 doctors recommend a certain herbal supplement to increase energy levels. If a local hospital employs 160 doctors, how many doctors would you expect to recommend the supplement? (Round to the nearest whole number, if necessary.)
A. 1600 doctors
B. 32 doctors
C. 400 doctors
D. 64 doctors
Answer: D
Mathematics
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Provide an appropriate response.If 
= 1, find 
f(x).
A. 2 B. 1 C. 0 D. Does not exist
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Find the vector projv u.v = i + j + k, u = 12i + 3j + 4k
A. 
i + 
j + 
k
B. 
i + 
j + 
k
C. 
i + 
j + 
k
D. 
i + 
j + 
k
Mathematics
The distribution of the verbal SAT test scores at a local college is approximately Normal (480, 110) .
(a) What is the percentage of the scores is below 420? (b) What is the percentage of the scores is above 550?
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Solve the inequality. Write the solution set in interval notation and graph it.6c - 5 ? 5c + 4
A. (6, ?)
B. (-?, 9]
C. [9, ?)
D. (-?, 6)
Mathematics