A graph shows the appropriate choice to be
A. 277.8 °F
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Of course, you get the same result by evaluating
76 + 301*e^(-0.40)
3/7 because that is the number being added to the zero in the equation
The first digit may be 1 or 8.
The second digit may be 1, 2, 4, 8.
The third digit may be 1, 3, 5, 7, 9.
There are 
The probability that this is the correct code is 
23.8 inches squared if im wrong sorry but what i did was i added 7.4 plus 7.4 cause there are two of the same side then did the same with 4.5