Solve the problem.Suppose that the blood alcohol concentration (BAC) of a person who has been drinking is given by the following:total oz consumed × % alcohol × 0.075 ÷ body weight in lb - hr of drinking × 0.015. Find the BAC for a 115-lb woman who, in 2 hr, has drunk 6 beers. (Assume that each beer is 12 oz with a 4.3% alcohol content.) Round your answer to the nearest thousandth.
A. 0.172
B. 0.202
C. 0.167
D. 0.187
Answer: A
Mathematics
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Solve the problem.A pipe is cut into two pieces, with one piece 20 feet longer than the other. The pipe was 56 feet long before it was cut. How long is each piece?
A. 38 feet, 18 feet B. 38 feet, 36 feet C. 56 feet, 36 feet D. 76 feet, 36 feet
Mathematics
Express the given logarithm as a sum and/or difference of logarithms. Simplify, if possible. Assume that all variables represent positive real numbers.log3(209 ? 244)
A. log3209 + log3244 B. log33 + log209209 + log244244 C. log2093 + log2443 D. log350,996 + log350,996
Mathematics
Solve the equation by the method of your choice.7x2 - 14 = 0
A. { - 
, 
}
B. {- 
, 
}
C. {
}
D. 
Mathematics
Find the square roots of the following number.
A. 
, - 
B. 
, - 
C. 
, - 
D. 
, - 
Mathematics