Provide an appropriate response.Find the slope of the line passing through the pair of points or state that the slope is undefined. Assume that all variables represent positive real numbers. Then indicate whether the line through the points rises, falls, is horizontal, or is vertical.(a + b, -c) and (a, a - c)
A. m = 
; rises
B. undefined slope; vertical
C. m = 0; horizontal
D. m = - 
; falls
Answer: D
Mathematics
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? 
A. 
B. 
C. 
D. 
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