Simplify the expression using order of operations.(6.1)2 + (8.0)2
A. 198.81
B. 101.21
C. 28.2
D. 56.4
Answer: B
Mathematics
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Use a calculator to find the function value.cot (-392°)
A. -29 B. -1.9 C. -1.6 D. -0.62
Mathematics
Solve the problem.A data set consists of 113 test scores. Over a long period it has been found that the mean and standard deviation for these scores are known and that the scores are normally distributed. How many scores within this data set should lie within two standard deviations of the mean? Round your answer to the nearest whole number.
A. 108 B. 77 C. 113 D. 54
Mathematics
Use a sum or difference identity to find the exact value.sin 
A. 
B. 
C. 
D. 
Mathematics
Find the average inventory.
A. $31,645.00 B. $63,290.00 C. $21,472.00 D. $21,096.67
Mathematics