Use the data set {-2, -3, 1, 8} to answer the following question(s).The standard deviation of the data set is
A. 4.33.
B. 18.5.
C. 3.905.
D. 4.301.
E. none of these
Answer: D
Mathematics
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Factor completely.15z4 - 8z2 - 16
A. (5z4 + 4)(3z - 4) B. (5z2 + 4)(3z2 - 4) C. (3z4 + 4)(5z - 4) D. (3z2 + 4)(5z2 - 4)
Mathematics
Determine whether the series is convergent or divergent.
 Figure 3.png)
Mathematics
Find the product.(7k + 1)3
A. 343k3 + 294k2 + 21k + 1 B. 343k3 + 1 C. 343k3 + 98k2 + 14k + 1 D. 343k3 + 147k2 + 21k + 1
Mathematics
Solve.(7x - 5)(7x - 1) = 0
A. 
, 
B. - 
, - 
C. 
, 
D. 
, 
Mathematics