Find the sum or difference. Express the answer reduced to lowest terms and use the denominator given in the first rational expression.
+ 
A. m - 5
B. m - 4
C. m + 4
D. 
Answer: B
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Decide whether or not the given equation is an identity.csc2x sec2x = sec2x + csc2x
A. Yes B. No
The diagram shows two binary sequences about to be manipulated by passing through a microchip's series of gates. Provide the results of these computer manipulations, designated by ? in the diagram.
A. 
B. 
C. 
D. 
Find the vertex, focus, and directrix of the parabola with the given equation.(y - 3)2 = -20(x - 2)
A. vertex: (3, 2) focus: (-2, 2) directrix: x = 8 B. vertex: (2, 3) focus: (-3, 3) directrix: x = 7 C. vertex: (2, 3) focus: (7, 3) directrix: x = -3 D. vertex: (-2, -3) focus: (-7, -3) directrix: x = 3
Population trends, income levels, and competition are conditions that can affect a firm's performance. All of these conditions are aspects of
A. the external environment B. the internal environment C. the economy D. governmental policy