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 200 doctors, how many doctors would you expect to recommend the supplement? (Round to the nearest whole number, if necessary.)
A. 80 doctors
B. 2000 doctors
C. 500 doctors
D. 40 doctors
Answer: A
Mathematics
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Solve the problem.Two runners run around a circular track. The first runner completes a lap in 7 minutes. The second runner completes a lap in 16 minutes. If they both start at the same place and the same time and go in the same direction, after how many minutes will they meet again at the starting place?
A. 224 B. 112 C. 113 D. 23
Mathematics
Solve the system of equations by elimination.
x + 
y = 
6x + 2y = 86
A. (16, -5) B. (-5, 16) C. (-16, 4) D. (-16, 6)
Mathematics
The graph of a function is given. Decide whether it is even, odd, or neither.
A. even B. odd C. neither
Mathematics
Determine whether the following is the graph of a function.
A. Yes B. No
Mathematics