Solve the problem.A mechanic uses on average 
gallon(s) of gear lube to service each tractor differential. Find the number of tractors that can be serviced with 18 gallons of gear lube.
A. 54 tractors
B. 12 tractors
C. 6 tractors
D. 27 tractors
Answer: B
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Determine independence. Answer Yes or No.The table shows the political affiliation of voters in one city and their positions on stronger gun control laws. ?Stronger Gun Control 
Are party affiliation and position on gun control laws independent?
A. Yes B. No
Solve the equation using any convenient method:
a. 5 b. 9 c. 6 d. 8 e. 7
Solve the problem.Data representing the price and quantity demanded for hand-held electronic organizers were analyzed every day for 15 days. The logarithmic function of best fit to the data was found to be 
Use this to predict the number of hand-held electronic organizers that would be demanded if the price were $275.
What will be an ideal response?
Use Heron's formula to solve the problem.An architect has measured the length of the sides of a triangular yard as 270 ft, 300 ft, and 
Find the area of the yard. Round to the nearest whole number. 
A. 1838 ft2 B. 3184 ft2 C. 39,635 ft2 D. 22,883 ft2