Write each expression using the LCD as the denominator.
; 
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Answer: C
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Add. Do not use a number line except as a check.-9 + 
+ 
A. - 
B. - 10
C. -82
D. - 
Evaluate. Simplify if possible.
+ 
A. 
B. 
C. 
D. 
A traveling saleswoman's territory consists of the 6 cities shown on the following mileage chart. The saleswoman must organize a round trip that starts and ends at Memphis (her hometown) and will pass through each of the other five cities exactly once.Mileage Chart
The nearest-neighbor tour starting from Memphis is given by:
A. Memphis, Atlanta, Denver, Houston, Dallas, Kansas City, Memphis. B. Memphis, Atlanta, Denver, Kansas City, Houston, Dallas, Memphis. C. Memphis, Atlanta, Houston, Dallas, Kansas City, Denver, Memphis. D. Memphis, Dallas, Houston, Denver, Atlanta, Kansas City, Memphis. E. none of these
Write the fraction in lowest terms.
A. 
B. 
C. 
D. 