Perform the indicated operation.(x + 4)(x2 - x + 8)
A. x3 + 32
B. x3 + 3x2 + 4x + 32
C. x3 + 5x2 + 12x + 32
D. x3 + 3x2 + 32
Answer: B
Mathematics
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Find the negative (opposite) of the number.|10|
A. 
B. 10
C. 0
D. -10
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Write the expression in the form bi, where b is a real number.
A. -9i
B. 9i
C. ±9
D. i
Mathematics
State the law that justifies the statement: If z = 8, then 8 = z.
What will be an ideal response?
Mathematics
Solve triangle, if possible. Round angles an side lengths to the nearest tenth when necessary. 
A. a ? 3, B = 30°, C = 90° B. a ? 3.5, B = 35°, C = 85° C. a ? 3.8, B = 28°, C = 92° D. a ? 3.5, B = 30°, C = 90°
Mathematics