Solve the problem.At the start of a chemistry experiment, Sarah measured the temperature of a liquid to be 
At the end of the experiment, it had risen 
What was the liquid's temperature at the end of the experiment?
A. 10° C
B. -40° C
C. 40° C
D. -10° C
Answer: A
Mathematics
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Find the quotient. Assume all variables have positive values. Leave your answer in simplest form.
A. 12w B. 8w2 C. 4w2 D. 12w3
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Compute the extension totals and the invoice total.
A. 
B. 
C. 
D. 
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Find the derivative of the function.
Mathematics
Solve the problem.John owns a hot dog stand. His profit, in dollars, is given by the function 
where x is the number of hot dogs sold. What is the most he can earn?
A. $36 B. $117 C. $63 D. $81
Mathematics