Write the complex conjugate of the complex number. Then multiply the number by its complex conjugate.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: B
Mathematics
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Convert the units.48 quarts = 
gallons
A. 12 B. 96 C. 192 D. 24
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Add or subtract. Assume that variables represent nonnegative values.4
+ 5
A. 9
B. 9
C. 9
D. 
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Solve.
The drawing shows the end of a building that is to be bricked. If the area of the side of a brick used is 
find the number of bricks needed to completely cover the side of the building.
A. 260 bricks B. 2600 bricks C. 26 bricks D. 3200 bricks
Mathematics
State the domain of h(x) = (f ? g)(x).
f(x) = x² + 4x and g(x) = x – 3
Mathematics