Solve the problem.The Blood Alcohol Concentration (BAC) of a person who has been drinking is given by the expression number of oz × % alcohol × 0.075 ÷ body weight in lb - hr of drinking × 0.015. Find the BAC to the nearest thousandth for a 255-lb man who, in 4 hr, has drunk ten 12-oz beers, each having a 3.4% alcohol content
A. 0.120
B. 0.055
C. 0.060
D. 0.105
Answer: C
Mathematics
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Solve the problem.A guy wire to a tower makes a 67° angle with level ground. At a point 37 ft farther from the tower than the wire but on the same side of the base as the wire, the angle of elevation to the top of the pole is 32°. Find the wire length (to the nearest foot).
A. 39 ft B. 68 ft C. 34 ft D. 73 ft
Mathematics
Solve the problem.Jim had grades of 96 and 86 on two chemistry tests. What is the lowest score he can get on the third test to maintain an average of 85?
A. 89 B. 91 C. 85 D. 73
Mathematics
Solve the equation.
x = 
x + 2
A. 30 B. -30 C. -60 D. 60
Mathematics
Evaluate the expression.1 - 
A. 
B. 
C. 
D. 
Mathematics