Perform the indicated operation.(6n7 + 4n + 6n5) + (-3n5 + 8n7 + 9n)
A. 12n7 + 3n5 + 15n
B. 30n13
C. 14n7 + 3n5 + 13n
D. 14n + 3n7 + 13n5
Answer: C
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A. -360° B. 720° C. 0° D. -720°
Solve the problem.In a certain town the annual consumption, b, of beef (in pounds per person) can be estimated by 
where t is the number of years since 2010. What is the slope of the graph of this function? Write a sentence interpreting this value.
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Determine whether the given compound statement is a tautology.
?
?
?
A. yes B. no
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A. 0.45 B. 0.52 C. 0.6 D. 0.5