Simplify the expression. Assume that all variables are positive when they appear.
A. -7
B. -20
C. - 
D. - 
Answer: D
Mathematics
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Use the data set {0, -1, -3, 3, 3, -5, -7, 10} to answer the following question(s).The mode of the data set is
A. -0.5. B. -3.5. C. 3. D. 0. E. none of these
Mathematics
Simplify the expression by combining like terms.4 + 13t + 7
A. 13t2 + 11 B. 13t + 28 C. 13t - 11 D. 13t + 11
Mathematics
Remove a dominated strategy if one exists in the game. 
A.
B.
C.
D.
Mathematics
Perform the indicated operation.6 gal 1 pt × 2
A. 13 gal B. 12 gal 1 pt C. 13 gal 1 qt D. 12 gal 1 qt
Mathematics