Final answer:
The temperature of -12°C is equal to 10.4°F.
Step-by-step explanation:
To convert from Celsius to Fahrenheit, you can use the formula: F = C * 9/5 + 32. Since the temperature in Celsius is -12°C, we can substitute -12 for C in the formula and solve for F: F = -12 * 9/5 + 32 = 10.4°F.
Therefore, the temperature of -12°C is equal to 10.4°F.
So, the correct answer is option a) 10.4°F.