Solve the problem.Coffee is best enjoyed at a temperature of 115°F. A restaurant owner wants to discover the temperature T at which he should serve his coffee so that it will have cooled to this ideal temperature in 5 minutes. He discovers that a cup of coffee served at 200°F cools to 180°F in one minute when his restaurant is at 67°F. If he maintains the restaurant temperature at 67°F, at what temperature should he serve the coffee to meet his goal?
A. 170°F
B. 175°F
C. 200°F
D. 195°F
Answer: B
Mathematics
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Perform the indicated operations. Write the answer in simplest form.
? 
A. 
B. 
C. 
D. 324
Mathematics
For what values of x does the series converge absolutely?
A. -10 ? x < -4 B. 0 < x ? -4 C. 0 < x < -4 D. -10 < x < -4
Mathematics
Find a decimal approximation for the fraction or mixed number, rounded to the given place.
; Round to the nearest hundredth.
A. 0.692 B. 0.68 C. 1.44 D. 0.69
Mathematics
Fill in the blank with one of the words or phrases listed below.
The solution(s) to the equation x + 5 = x + 5 is/are 
.
A. no solution B. like terms C. all real numbers D. the same
Mathematics