Decide whether the statement is always true, sometimes true, or never true.The difference between a positive number and a negative number 
A. Sometimes true
B. Always true
C. Never true
Answer: C
Mathematics
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Solve the problem.A data-recording thermometer recorded the soil temperature in a field every 2 hours from noon to midnight, as shown in the following table. Use the Trapezoidal Rule to estimate the average temperature for the 12-hour period. Round your answer to the nearest hundredth if necessary.
A. 65.92°F B. 76.67°F C. 65.94°F D. 79.1°F
Mathematics
Perform the indicated operation and simplify.
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A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The city bridge has 5 lanes, all carrying equal numbers of cars. If 165 cars drive across the bridge, how many cars cross in each lane?
A. 34 cars B. 38 cars C. 170 cars D. 33 cars
Mathematics
Multiply.
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Mathematics