Use the 68-95-99.7 rule to solve the problem.For adults in the town of Bridgeport, systolic blood pressure is normally distributed with a mean of 137 mmHg and a standard deviation of 9 mmHg. What percentage of adults in the town have a systolic blood pressure less than 128 mmHg?
A. 32%
B. 84%
C. 68%
D. 16%
Answer: D
Mathematics
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Solve the problem.The average price for a quart of orange juice between 2002 and 2012 can be approximated by 
where x is the year. Evaluate P(2010) and interpret the result.
A. P(2010) = 2.78; the average price of a quart of orange juice in 2010 was $2.78. B. P(2010) = 2.69; the average price of a quart of orange juice in 2010 was $2.69 more than in 2002. C. P(2010) = 1.95; the average price of a quart of orange juice in 2010 was $1.95. D. P(2010) = 2.69; the average price of a quart of orange juice in 2010 was $2.69.
Mathematics
Sketch a line passing through the point and having slope m.(-2, 0), m = 1
A. 
B. 
C. 
D. 
Mathematics
Simplify the absolute value expression.- 
A. - 
B. 
C. 0
D. 
Mathematics
Solve the system of equations.
A. 
B. 
C. 
D. 
Mathematics