250 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 75 and standard deviation ? = 10.Assuming there were no outliers, the lowest score on the exam was around
A. 0.
B. 10.
C. 75.
D. 45.
E. none of these
Answer: D
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A levy protects a town in a low-lying area from flooding. According to geologists, the banks of the levy are eroding at a rate of 7 feet per year. If something isn't done to correct the problem, what signed number indicates how much of the levy will erode during the next decade?__________ ft
Fill in the blank(s) with the appropriate word(s).
Solve the problem.Matthew has two different stocks. One of the stocks is worth twice as much per share as the other. He has 14 shares of the more valuable stock and 27 shares of the other stock. His total assets in stocks is 
How much is the less expensive stock worth per share?
A. $53 per share B. $48 per share C. $92 per share D. $46 per share
Solve the problem.Volatility refers to:
A. the amount of uncertainty or risk about changes in a security's value B. the likelihood that a security's value will only decrease in value C. a security's value as compared to an industry benchmark D. the likelihood that a security's value will only increase in value
Graph the function.y = -
A. 
B. 
C. 
D. 