Determine the area or volume as indicated. Use 3.14 for ? when necessary.
?Find the area.
A. 31.5 ft2
B. 45.5 ft2
C. 77 ft2
D. 38.5 ft2
Answer: D
Mathematics
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Use the 68-95-99.7 rule to solve the problem.Scores on a test are normally distributed with a mean of 106 and a standard deviation of 20. What percentage of scores are greater than 126?
A. 68% B. 84% C. 16% D. 32%
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Write the first five terms of the sequence described.an = (-1)n + 7
A. 6, -8, 6, -8, 6 B. 6, 8, 6, 8, 6 C. 8, 6, 8, 6, 8 D. -7, 7, -7, 7, -7
Mathematics
Find the median.Number of orders: 4, 1, 28, 19, 24, 50, 37, 34
A. 26 B. 28 C. 24.5 D. 24
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics