Use the imaginary unit to write the expression.
A. 40i
B. i
C. ±40
D. -40i
Answer: A
Mathematics
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Factor completely.12x5 + 12x
A. 12(x6 + 1) B. 12x(x4) C. 12(x5 + x) D. 12x(x4 + 1)
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Use analytical methods to solve the equation.1 + 
= 
A. 5, 6
B. -5, 6
C. - 
, 
D. -6, 5
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Solve the problem.Find the opposite of -2.8
A. 0
B. 2.8
C. -2.8
D. 
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Make the conversion indicated. Round your result to the nearest tenth.103°F ? 
°C
A. 217.4 B. 25.2 C. 39.4 D. 153.4
Mathematics