Explanation:

To convert degrees Celsius to degrees Fahrenheit, we use the formula:

°F = (°C × 9/5) + 32

Substituting -4°C into the formula, we get:

°F = (-4 × 9/5) + 32

°F = (-36/5) + 32

°F = -7.2 + 32

°F = 24.8

Therefore, -4°C is equal to 24.8°F.