Find the value of the determinant.
A. -5
B. -7
C. 5
D. -1
Answer: A
Mathematics
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Find the nth term of the arithmetic sequence with the given values.
, 
, - 
, . . . ; n = 20
A. - 
B. - 
C. - 
D. - 6
Mathematics
Use the information below to determine the indicated set. U = {x | x ? N and x ? 12} A = {x | x ? N and 6 < x < 12} B = {x | x ? N and x is even and x < 12}(A ? B)'
A. {2, 4, 6, 7, 8, 9, 10, 11} B. {1, 3, 5} C. {1, 3, 5, 12} D. {1, 2, 3, 4, 5, 6, 7, 9, 11, 12}
Mathematics
?Express the equation in logarithmic form.
?
?
A. ?
B. ?
C. ?
D. ?
Mathematics
Simplify. Write your answers in the form of a+bi, where a and b are real numbers.
A. - 
- 
i
B. - 
+ 
i
C. - 
- 
i
D. 
+ 
i
Mathematics