Convert as indicated. When necessary, round to the nearest tenth of a degree.At a particular business it is required that the temperature be kept at 67° F, but the thermostat is calibrated in degrees Celsius. Find the temperature to be set.
A. 152.6° C
B. 20.4° C
C. 127° C
D. 19.4° C
Answer: D
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Evaluate the definite integral. Express the answer in terms of natural logarithms.
A. 
ln
B. 
ln
C. ln
D. ln 2
Solve the problem.Yearly sales at a certain department store follow the model 
where y is the total sales in thousands of dollars and x is the number of years after 1992. In what year will the sales first be less than 
A. 1994 B. 1995 C. 1991 D. 1990
Translate the sentence into a mathematical equation. Be sure to identify the meaning of all symbols.The profit derived from the sale of x video cameras is $330 per unit less the sum of $2,100 costs plus $120 per unit.
A. If P is profit and x the units sold, then P = 330x - (2,100 - 120x) or 
B. If P is profit and x the units sold, then P = 
- (2,100 + 
) or 
C. If P is profit and x the units sold, then P = 330x + 2,100 - 120x or 
D. If P is profit and x the units sold, then P = 330x - (2,100 + 120x) or 
Add the numbers using the number line.-9 + (2) 
A. -11 B. 11 C. 7 D. -7