Assume the distribution is normal. Use the area of the normal curve to answer the question. Round to the nearest whole percent.The mean clotting time of blood is 7.35 seconds, with a standard deviation of .35 seconds. What is the probability that blood clotting time will be less than 7 seconds?
A. 14%
B. 15%
C. 84%
D. 16%
Answer: D
Mathematics
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Solve the system by substitution.x2 + y2 = 5x + y = 3
A. (-2, 1), (-1, 2) B. (2, 1), (1, 2) C. (-2, -1), (-1, -2) D. (2, -1), (1, -2)
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Graph the compound inequality.-1 ? x ? 3
A. 
B. 
C. 
D. 
Mathematics
Use the graph to find the vertical asymptotes, if any, of the function.
A. y = -4, y = 4 B. x = 0, y = 0 C. x = 0 D. none
Mathematics
Find the indicated term of the binomial expansion.(3 + y)9 ; term containing y4
A. 126y4 B. 10,206y4 C. 30,618y4 D. 243y4
Mathematics