Provide an appropriate response.If X is normally distributed with ? = 60 and ? = 5, find P(X > 72).
A. 0.0123
B. 0.2968
C. 0.4918
D. 0.0082
E. 0.2731
Answer: D
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Solve the problem.The graph shows the increase in dental contacts per person from 1990 to 1998.Dental Contacts Per Person
YearAssume that the rate of increase continues for the next several years. Using the average yearly increase from 1990 to 1996 to find a linear model, predict the number of dental contacts per person in 2008.
A. 7.10 B. 2.83 C. 5.10 D. 5.60
Factor completely. If the polynomial cannot be factored, say it is prime.6x4 + 13x2 + 6
A. (2x2 + 1)(3x2 + 6) B. (3x2 - 2)(2x2 - 3) C. (6x2 + 3)(x2 + 2) D. (2x2 + 3)(3x2 + 2)
Solve the problem.From April through December 2000, the stock price of QRS Company had a roller coaster ride. The chart below indicates the price of the stock at the beginning of each month during that period. The average rate of change in price between April and December is -$6.00 per month. Interpret this average rate of change. 
A. Between April and December, the price of the stock increases at a rate of $6.00 per month. B. Between April and December, the price of the stock decreases at a rate of $6.00 per day. C. In each month between April and December, the price of the stock decreased by $6.00. D. Between April and December, the price of the stock decreases at a rate of $6.00 per month.
Solve the problem.A deep sea diving bell is being lowered at a constant rate. After 8 minutes, the bell is at a depth of 600 ft. After 30 minutes the bell is at a depth of 2000 ft. What is the average rate of lowering per minute? Round to the nearest hundredth is needed.
A. 66.7 ft per minute B. 46.7 ft per minute C. 63.6 ft per minute D. 0.02 ft per minute