Find the standard deviation for the given data. Round your answer to one more decimal place than the original data.55 12 32 20 18 51 80
A. 32
B. 13,918
C. 24.7
D. 10,260.6
Answer: C
Mathematics
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Simplify by taking the roots of the numerator and the denominator. Assume all variables represent positive numbers.
A. 
B. 
C. 
D. 
Mathematics
Use the calculator graph to find the solution set of the given equation or inequality.
> x - 1 
A. (-?, 3) B. [0, 2) C. [-1, 3) D. (3, ?)
Mathematics
Divide.
A. -40 B. 40 C. -400 D. -0.4
Mathematics
Approximate the expression to the nearest thousandth.8.6(4.72) - 2(2.8) + 6
A. 190.374 B. 184.374 C. 196.374 D. 117.374
Mathematics