Use the Venn diagram below to find the number of elements in the region.
n(A ? B ? C)
A. 44
B. 8
C. 16
D. 18
Answer: B
Mathematics
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Simplify by factoring.
A. 4xy
B. 4x
C. 4xy2
D. 4x2
Mathematics
Find the least common denominator (LCD). ,
A. (x - 8)2 B. x(x - 8)(x + 3) C. x(x - 5)(x + 3) D. x(x - 8)2
Mathematics
Determine the center, foci, and vertices of the ellipse. +
= 1
A. center at (2, -3)
foci at (2 + , -3), (2 -
, -3)
vertices at (-9, 2), (3, 2)
B. center at (-3, 2)
foci at (-3 + , -3), (-3 -
, -3)
vertices at (6, 2), (-6, 2)
C. center at (-3, 2)
foci at (- , 2), (
, 2)
vertices at (6, 2), (-6, 2)
D. center at (-3, 2)
foci at (-3 + , 2), (-3 -
, 2)
vertices at (-9, 2), (3, 2)
Mathematics
Perform the indicated operation. Write the result in the form a + bi.( + 8i)(
- 8i)
A. 66 B. 2 - 8i C. 2 - 64i D. -62
Mathematics