Determine whether the selection is a permutation, a combination, or neither.An animal trainer selects 2 of the 5 baboons to showcase on the talk show.
A. neither
B. combination
C. permutation
Answer: B
Mathematics
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Perform the operation.
?
?
A.
B.
C.
D.
E.
none of these
Mathematics
Solve the equation.
(10x - 20) = 
(8x - 4)
A. 1
B. -1
C. -6
D. 
Mathematics
Perform the desired operation. Write the answer in the form a + bi.(3 + 9i)2
A. -72 + 54i B. 90 + 54i C. 9 + 54i + 81i2 D. -72
Mathematics
Write in terms of i.
A. ± 5
B. 5i
C. -5i
D. -i
Mathematics