Solve the problem.Ken and Kara are 27 miles apart on a calm lake paddling toward each other. Ken paddles at 5 miles per hour, while Kara paddles at 8 miles per hour. How long will it take them to meet?
A. 9 hours
B. 1
hours
C. 2
hours
D. 14 hours
Answer: C
Mathematics
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Evaluate the integral.
A. 
+ C
B. 
+ C
C. sec-1 (x + 2) + C
D. csc-1 (x + 2) + C
Mathematics
Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.A ? C
A. {1, 2, 3, 5, 7, 9} B. {1, 2, 3, 4, 5, 8, 9} C. {4, 6, 7, 9} D. {1}
Mathematics
Solve the triangle, if possible. Approximate values to the nearest tenth when appropriate.a = 3.0, ? = 46.0°, ? = 90°
A. b = 5.1, ? = 44.0°, c = 4.2 B. b = 5.1, ? = 44.0°, c = 5.9 C. b = 2.9, ? = 44.0°, c = 4.2 D. b = 1.8, ? = 44.0°, c = 3.5
Mathematics
Provide an appropriate response.In a normal distribution, 95% of the data will fall within three standard deviations of the mean.
A. True B. False
Mathematics