Add or subtract as indicated.3i + (-5 - i)
A. -5 + 2i
B. 5 - 2i
C. -5 + 4i
D. 5 - 4i
Answer: A
Mathematics
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A. ? = 
B. ? = 
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D. ? = sinh2 t
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A. 80? units B. 40 + 80? units C. 20 + 80? units D. 16? units
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A. x-axis B. y-axis C. x-axis, y-axis, origin D. origin
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Use the properties of logarithms to evaluate the expression without the use of a calculator.log55
A. 1
B. 0
C. 5
D. 
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