Find the foci of the ellipse whose equation is given.
+ 
= 1
A. foci at (3, -2 - 3
) and (3, -2 + 3
)
B. foci at (-2, -2 - 3
) and (-2, -2 + 3
)
C. foci at (2, -2 - 3
) and (2, -2 + 3
)
D. foci at (-2, 2 - 3
) and (-2, 2 + 3
)
Answer: C
Mathematics
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Write the first four terms of the sequence.an = 
A. a1 = 1, a2 = 
, a3 = 
, a4 = 
B. a1 = 5, a2 = 
, a3 = 
, a4 = 
C. a1 = 
, a2 = 
, a3 = 
, a4 = 
D. a1 = 1, a2 = 
, a3 = 
, a4 = 
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Find the greatest common divisor of the numbers.88, 45
A. 1 B. 44 C. 55 D. 6
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Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.
A. {1, 2, 3, 4, 5, 6, 7, 8, 9} B. {1, 2, 3, 4, 5, 7, 8, 9} C. {1} D. {0, 2, 3, 4, 5, 6, 7, 8, 9}
Mathematics
Write the expression in the standard form a + bi.(1 + i)20
A. 1024 B. 1024i C. -1024 D. -1024i
Mathematics