The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport.  At what time was the temperature 77°?

A. 2 p.m.
B. 12 p.m. and 3 p.m.
C. 11 a.m. and 12 p.m.
D. 11 a.m. and 12 p.m. and 3 p.m.


Answer: D

Mathematics

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A. ?


B. ?


C. ?


D. ?


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