Solve the problem.The systolic blood pressures of a group of 18-year-old women are normally distributed with a mean of 
and a standard deviation of 12 mmHg. What percentage of women in this group have a systolic blood pressure between 108 mmHg and 132 mmHg?
A. 99.8%
B. 68%
C. 50%
D. 95%
Answer: B
Mathematics
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Consider a line with slope 1.20. What rise corresponds to a run of 4 feet? ?
A. 4.80 feet B. 0.30 feet C. 3.33 feet D. 5.61 feet
Mathematics
Simplify. Assume all variables and radicands represent nonnegative real numbers.
A. 3x
B. 3xy
C. 3xy2 
D. 3x2 
Mathematics
The graph of an equation indicates that it has a slope of +3. If y increases 3 units, how many units does x change?
a. -9 b. -6 c. 1 d. 6 e. 9
Mathematics
Simplify. Assume that no radicands were formed by raising negative quantities to even powers.
A. 2
B. 
C. 
D. 6
Mathematics