Which of the following mathematical equations is used to calculate the degree of operating leverage (DOL)? (? = change)
A. DOL = % ? in net operating income (NOI)/% ? in sales
B. DOL = % ? in sales/% ? in earnings before taxes (EBT)
C. DOL = % ? in earnings before interest and taxes (EBIT)/% ? in earnings per share (EPS)
D. DOL = % ? in sales/% ? in earnings per share (EPS)
E. DOL = % ? in earnings per share (EPS)/% ? in earnings before taxes (EBT)
Answer: A
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where t is time (in ?s). Find a0 (if it is not zero), two nonzero cosine terms (if they exist), and two nonzero sine terms (if they exist) of the Fourier series for the time-dependent voltage.
A. 
- 
B. 
- 
C. 
- 
D. 2 - 
Divide using the division properties.
A. 0 B. 1 C. 46 D. undefined
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C)D)
A. 1B, 2D, 3C, 4A B. 1A, 2D, 3C, 4B C. 1A, 2B, 3C, 4D D. 1C, 2A, 3B, 4D
Estimate the sum or difference by rounding.6.6 - 3.4
A. 3 B. 2 C. 4 D. 10