Solve the equation for ? if
. Do not use a calculator.
?

?
A. 120°; 240°
B. 150°; 330°
C. 60°; 240°
D. 45°; 225°
E. 30°; 120°
Answer: E
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?
.
?
When does the temperature of the coffee reach 150 degrees? Round your answer to two decimal places if necessary.
?
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